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Brother HL-2600CN Series, Service Manual

The Brother HL-2600CN Series is a high-performance laser printer designed for professional printing needs. For comprehensive understanding and troubleshooting, the Technical Reference Manual is available for free download from our website. Get instant access to the manual to optimize your printing experience today.

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1

10

9

1

25

26

2

1

11

1

1

7

13

1

13

1

4

DCN3

1

2

27

28

DHOZA71

50

49

A B C D
E F G H

A

1

2

13

DCN18

1

2

17

18

1

9

1

3

1

12

1

2

9

10

100A

16V

C2

19

22

21

1B

1A

32B

32A

P O C N

J

8

I2CN

DH5ZA51

3

4

2

1

2

1

LCN

9

10

A

1

5

8

4

10

1

9

2

I1CN

49

50

1

2

16

15

PACN

1

2

2

1

I3CN

IFCN

20

7

DPCN

THV

CHV

ZDI

MODEL

18

17

2
1

BCN1

BL

Y

M

C

1

1

1

1

11

3

3

3

9

4

1

3

1

3

11

1

1

3

1

3

1

3

1

4

1

2

21

22

10

1

CTFAN

10

6

6

5

29

16

15

31

32

32

1

19

14

27

22

26

23

20

25

21

28

18

17

36

37

1

2

38

12

2

9

8

7

4

11

PBS

OIL

PSU

PT1

EN

PEU

HTFAN 2

TPD

7

1

I O D 1   P W B   2

M C T L   P W B   2

S C A N N E R   U N I T

I O D 2   P W B   2

DCLC

DCLK

DCLM

DCLY

MM

FBCL

Paper Pick-up Clutch

PCLL

Paper Size  Sensor 2

Paper Sensor

FBCM

TRCM

FUCL

RECL

OZFAN

PCLU

PDU

SCM

LDU

DHP

1

DHP

2

PSL

(MC)

PSL

(KY)

T o   I O D 1  
D C N 1 0

F U S I N G   U N I T

Paper Discheygen 

T H

H P

H N

HP

Lexmark

CONTROL

PANEL

PCB

PCB

To IOD2  ECN2

HIGH VOLTAGE UNIT

Thermistor

HR.Heater

BR.Heater

TFU 2

TFU 1

Fuser
Connector

AC IN PUT

POWER SUPPLY UNIT

(Rear)

PANEL PWB

Developer

Solenoid Unit

Developer 
Clutch 2 C

Developer
Clutch 2 M

Wast Toner 
Sensor (TR)

Wast Toner 
Sensor (LED)

Developer 
Clutch 2 Y

Developer 
Clutch 2 K

Main

Motor 2

Cleaner

Clutch 3

F i x i n g
C l u t c h  

T R   C a m
C l u t c h   3

T R   C a m
C l u t c h   3

R e g i s t r a t i o

C l u t c h

Cooling
Fan OZ

Paper

Pick-up Clutch

SL2 PS Fan

Scanner

Motor

Developer
Position
Sensor 1 

Developer
Position
Sensor 2

OHP OHP Sensor 3

Paper Sensor

Paper Sensor (D.EN)

Paper Sensor (P.EN)

Interlock  Switch (Top)
Interlock  Switch (Rear)

Toner  Sensor

Toner  Sensor

Paper Size Sensor 2

Belt Sensor

TNK

Toner Key Sensor 2

Oil Sensor

Cooling Fan (EX) 2

LOWER PAPER FEEDER UNIT (LFU)

To Duplex Unit

To Duplex Unit

S-Charger 

HN

HP

HN

HP

HN

ACN4 ACN1

1

1

1

ACN3

ACN2

1

(Top)

Font

37

33

4

Interlock Switch

DCN5

C o n t r o l l e r  

P C B

35

36

30

30

PT2

FCL

Paper Sensor

EXF

Paper Sensor (EXF)

Paper Sensor (F.CL)

DPJ

Belt Sensor

13

DM

TTR

Erase   Lamp

TBLE

1

4

TBFL

14

PSL

PEL

Duplex Unit 

3

11

24

35

Developer 
Motor 2

DSW1

DSW2

DSW3

DUP CN

CN DUP

42

K

1

3

BK

D U P - 2

LCN

ECN15
ECN16

ECN17

ECN1

ECN2

ECN5

ECN3

ECN6

ECN7

ECN8

ECN9

ECN10

ECN11

ECN12

ECN13

ECN14

LCN

POCN

IFCN

DPCN

I2CN

OCN

I3CN

I1CN

SP

DCN1

DCN2

DCN4

DCN5

DCN6

DCN7

DCN8

DCN9

DCN10

DCN13

DCN14

DCN15

DCN16

DCN17

RT

RT Sensor

D-
FDCL

LF3 Clutch D

40

41

39

2.6 Wiring Diagram

IV-63

Summary of Contents for HL-2600CN Series

Page 1: ...r Color Laser Printer SERVICE MANUAL MODEL HL 2600CN Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times October 2001 SM PRN023 ...

Page 2: ...stered in the United States and other countries and True Type is a trademark of Apple computer Inc Epson is a registered trademark and FX 80 and FX 850 are trademarks of Seiko Epson Corporation Hewlett Packard is a registered trademark and HP Laser Jet is a trademark of Hewlett Packard Company IBM IBM PC and Proprinter are registered trademarks of International Business Machines Corporation Micros...

Page 3: ...ctrical circuits and their timing information CHAPTER V CONTROL PANEL OPERATION Operation and setting procedures on the control panel CHAPTER VI PERIODIC MAINTENANCE Description of periodic maintenance parts and procedures for periodic replacement and cleaning CHAPTER VII DISASSEMBLY Procedures for replacement of the mechanical system parts CHAPTER VIII TROUBLESHOOTING Description of error message...

Page 4: ...umidity Altitude II 9 CHAPTER III INSTALLATION III 1 1 CONDITIONS REQUIRED FOR INSTALLATION III 1 1 1 Environmental Conditions III 1 1 2 Basic Layout of Printer Set up Location III 1 2 UNPACKING III 2 2 1 Unpacking of Printer III 2 2 2 Unpack the Starter Kit III 4 3 INSTALLATION WORK III 5 3 1 Install the Fuser Cleaner and Oil Bottle III 5 3 2 Install the OPC Belt Cartridge III 6 3 3 Install the T...

Page 5: ...iguration of Operational Mode V 9 3 2 Operation of Normal Mode V 11 3 3 Service Mode V 18 3 4 Adjustment Work Procedures V 41 CHAPTER VI PERIODIC MAINTENANCE VI 1 1 GENERAL VI 1 1 1 Handling Precautions VI 1 1 2 Periodic Maintenance Cleaning VI 4 1 3 Periodic Maintenance Parts and Maintenance Cycle VI 17 2 PERIODIC MAINTENANCE PROCEDURES VI 20 2 1 OPC Belt Cartridge Replacement VI 20 2 2 Fusing Un...

Page 6: ...e Printer VII 20 4 3 Left Side of the Printer VII 32 4 4 Paper Exit Unit VII 49 4 5 Front of the Printer VII 56 4 6 Rear of the Printer VII 63 4 7 Fusing Unit VII 68 CHAPTER VIII TROUBLESHOOTING VIII 1 1 OUTLINE OF TROUBLESHOOTING VIII 2 2 OPERATOR CALL VIII 3 2 1 Video Controller Mode VIII 3 2 2 Engine Controller Mode VIII 6 3 PAPER TRANSPORT ERROR VIII 8 3 1 Feed Jam VIII 8 3 2 Inner Jam VIII 9 ...

Page 7: ...l covers the laser beam cannot escape from the machine during any phase of user operation FDA REGULATIONS FOR 110 120 V MODEL ONLY U S Food and Drug Administration FDA has implemented regulations for laser products manufactured on and after August 2 1976 Compliance is mandatory for products marketed in the United States One of the following labels on the back of the printer indicates compliance wi...

Page 8: ...hed near the scanner unit 5mW 780nm 800nm DANGER INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEÖFFNET UND SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT NICHT DEM STRAHL AUSSETZEN DANGER RAYON LASER INVISIBLE LORS DE L OUVER TURE EVITER L EXPOSITION DIRECTE PELIGRO RADIACION LASER INVISIBLE AL ABRIR EVITAR LA EXPOSICION DIRECTA AL HAZ MA...

Page 9: ...nal Words DANGER is used to indicate the presence of a hazard which will cause severe human injuries or a fatal accident if the warning is ignored WARNING is used to indicate the presence of a hazard or unsafe practices which may cause severe human injuries or a fatal accident if the warning is ignored CAUTION is used to indicate the presence of a hazard or unsafe practices which may cause minor h...

Page 10: ... filter must be replaced with a new filter periodically in accordance with the manual supplied with the printer WARNING HOT SURFACE The Fusing Unit reaches a temperature of approx 170 C and adjacent parts are also very hot When you need to change the cleaning pad or remove jammed paper wait about 20 minutes after opening the paper exit unit to allow the unit to cool down CAUTION ROTATING PARTS Be ...

Page 11: ...oping unit carefully so as not to spill the toner CAUTION POWER CORDS PLUGS This printer is equipped with a 3 wire power cord fitted with a 3 pronged plug bi polar plug with grounding for the user s safety Use these power cords in conjunction with a properly grounded electrical outlet to avoid an electrical shock CAUTION SAFETY INTERLOCK The front cover paper exit unit and transfer unit of this pr...

Page 12: ...vi CAUTION Do not lean against or apply any excessive force to the paper cassette open cover of Duplex unit Otherwise it may cause the product to decline or fall down and result in the injuries ...

Page 13: ...N WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEÖFFNET UND SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT NICHT DEM STRAHL AUSSETZEN DANGER RAYON LASER INVISIBLE LORS DE L OUVER TURE EVITER L EXPOSITION DIRECTE PELIGRO RADIACION LASER INVISIBLE AL ABRIR EVITAR LA EXPOSICION DIRECTA AL HAZ MAS ...

Page 14: ...viii 3 Rating Label For US For Europe Jam label ...

Page 15: ...en shipping the printer remove the toner cartridges the OPC belt cartridge and the waste toner pack from the printer to prevent toner spill in the printer or damage of the toner cartridge and the OPC belt cartridge N When shipping the printer remove the oil bottle and the fuser cleaner from the fusing unit After removing the oil bottle be sure to remove the oil remaining in the fusing unit with th...

Page 16: ... 37 5 352 8 7 287 1 ...

Page 17: ... 217 176 37 5 352 8 7 287 1 785 6 3 576 1 0 6 81 7 216 17 51 6758 785 6 5 37 21 2 21752 3 1 9LGHR RQWUROOHU 0RGH QJLQH RQWUROOHU 0RGH ...

Page 18: ...he high resolution control HRC technology provides clear and crisp printouts and improves even the 600 dpi resolution This mode is effective when printing text data Color Advanced Photoscale Technology CAPT The printer can print graphics in 256 shades for each color in HP color printer PCL5C and BR Script 3 emulations producing nearly photographic quality This mode is effective when printing photo...

Page 19: ...omatically select the bi directional parallel USB NETWORK depending on the interface port through which it receives data With this feature the printer can be connected to more than one computer Five Emulation Modes The printer can emulate Hewlett Packard Color PCL 5C PCL6 in monochrome mode and PostScript 3 language emulation Brother BR Script 3 printers the industry standard HP GL plotter as well...

Page 20: ...es from being made Power Save Mode The printer has a power saving mode As laser printers consume power to keep the fixing assembly at a high temperature this feature can save electricity when the printer is on but not being used The factory setting of the Power Save mode is ON so that it complies with the EPA Energy Star new specification Compared with conventional laser printers this printer cons...

Page 21: ... Fig 1 1 Rear View Fig 1 2 10 Paper stopper A 8 Controller Box 6 Power Inlet 7 Rear Access Cover 1 Top Cover ASSY 2 2 Control Panel 5 Power Button Media Cassette 3 Front Cover 2 11 Paper stopper B 9 Paper Exit Unit Cover 2 4 Paper Exit Unit ...

Page 22: ...rtridge 5 Power Button To operate power on and off to the printer Push for On Off operation 6 Power Inlet To connect a power supply cable 7 Rear Access Cover To act as a rear enclosure opened when clearing an internal jam or doing maintenance work 8 Controller Box Space for a controller PCB to be installed 9 Paper Exit Unit Cover 2 Cover to be provided at duplex transportation inlet and to be remo...

Page 23: ...rms color images combining the toner images from the OPC belt on the drum 7 Paper Discharger Emits a corona charge for separating the paper from the transfer drum 2 8 Transfer Roller 2 Transfer the toner image on the transfer drum 2 to the paper 9 Media Cassette Feeds paper automatically 10 Paper Pick up Roller Feeds paper automatically from the paper cassette 11 Scanner Unit Generates a laser bea...

Page 24: ...ideo Controller Mode when the power is turned on by pressing the power button The Video Controller Mode supplies the general test printing and setting functions and some of the maintenance operations If further engine settings are required use the Engine Controller Mode 4 2 Engine Controller Mode The printer goes into the Engine Controller Mode when power is turned on by pressing the power button ...

Page 25: ...int Set K C M Y 1 9 4 10 13 12 6 5 2 3 11 7 8 Fig 1 4 No LED Button Name 1 LCD 16 character by 2 lines 2 Power LED 3 Ready LED 4 Data LED 5 Go button 6 Job Cancel button 7 Alarm LED 8 Secure Print button 9 button 10 button 11 Reprint button 12 Back button 13 Set button ...

Page 26: ...CHAPTER II SPECIFICATIONS ...

Page 27: ...G 0HFKDQLFDO 1HWZRUN 3DSHU 6SHFLILFDWLRQ 2 5 1 Printable Media Cassette Capacity II 5 2 5 2 Printed Output II 6 2 5 3 Recommended Paper Specifications II 6 2 5 4 Effective Printing Area II 6 2 5 5 Paper Feed Jam Rate II 8 19 5210 17 21 7 21 PELHQW 7HPSHUDWXUH XPLGLW OWLWXGH ...

Page 28: ...oltage V Frequency Hz Input Current A Power Cord Piece US Canada 120 50 60 11 1 Europe 220 240 50 60 6 1 For the model for Europe the power supply cable depends on the country as follows Figure Rating Approval Agency Applicable Area A 250VAC 6A VDE DEMKO SEV Europe Continent B BS UK Figure A For Europe Sample 2 5m Figure B For UK 2 5m Note For details of other power supply cables refer to the part...

Page 29: ... paper by face down print delivery from standard upper cassette feed Print media Toner in a single color single component cartridge Life Expectancy 12 000 single sided pages cartridge Black 7 200 single sided pages cartridge Cyan Magenta Yellow Note These figures are based on an average of 5 coverage of the printable area for one color using laser paper The frequency of replacement will vary depen...

Page 30: ...id crystal display Diagnostics Self diagnostic program 2 3 Electrical and Mechanical Power source U S A and Canada AC 120V 50 60Hz Europe and Australia AC 220 to 240V 50 60Hz Power consumption Printing 600W or less Standing by 260W or less Sleep 30W or less Noise Printing 55dB A or less Standing by 48dB A or less Temperature Operating 10 to 32 5 C 50 to 90 5 F Non Operating 5 to 35 C 41 to 95 F St...

Page 31: ...d Management BRAdmin Professional Windows based management utility Firmware update 8MB flash ROM Use BRAdmin Professional when upgrading print server software or BOOTP TFTP PUT GET or IPX for Netware Supplied software BRAdmin Professional for Windows 95 98 ME NT 4 0 2000 XP Driver Deployment Wizard for Windows 95 98 ME NT 4 0 2000 XP Network Print Software for Windows 95 98 ME NT 4 0 2000 XP Stora...

Page 32: ...eets x Transparency 50 sheets x Label 80 sheets 5 Setting method Pull the media cassette out of the printer toward you insert the paper into the cassette after aligning the top edge of the sheets then push the cassette back into its original position Paper Source Printable Media Size Plain paper A4 Letter B5 Executive The Standard Media Cassette Envelope COM10 DL Other size width 105 216mm 4 1 8 5...

Page 33: ...ss µ m 95 6 Smoothness Bekk seconds 90 20 Stiffness Clark 100 15 Brightness 85 2 Surface Resistance 10 10 10 11 Grain Direction Long Measurement Condition 17 5 27 0 C 50 70 RH Note Keep the paper sealed in the bag as supplied and do not open the paper bag until the paper is required for use 2 5 4 Effective Printing Area 1 Printable area A E C E B D F F The effective printing area means the area wi...

Page 34: ...54mm 6 82 2 049 dots 248 5mm 9 78 2 935 dots Ç Ç B5 ISO 176 0mm 6 93 2 078 dots 250 0mm 9 84 2 952 dots 167 54mm 6 59 1 978 dots 241 5mm 9 5 2 852 dots Ç Ç Executive 184 2mm 7 25 2 175 dots 266 7mm 10 5 3 150 dots 175 74mm 6 91 2 075 dots 258 3mm 10 17 3 050 dots Ç Ç COM 10 104 8mm 4 125 1 237 dots 241 3mm 9 5 2 850 dots 96 34mm 3 785 1 137 dots 232 8mm 9 16 2 750 dots Ç Ç D L 110 1mm 4 33 1 299 d...

Page 35: ... 68mm DL 40mm 42mm 16mm Non printable area Non guarantee area Print guarantee area 2 5 5 Paper Feed Jam Rate Less than 1 misfeed per 2000 pages under normal environmental conditions Less than 1 misfeed per 1000 pages outside the normal environmental conditions Note These figures are based on the paper whose specification is recommended For the recommended specifications refer to Section 2 4 3 of t...

Page 36: ...re below 10 0 17 5 20 27 30 32 5 40 Recommended Condition 17 5 27 50 70 RH 20 60 70 80 40 Ambient Humidity RH Ambient Temperature C C 50 Zone A Zone B Operation Area other than Zone A 2 Under Non Operational conditions 5 0 a 35 0qC 10 a 80 RH See the figure below 10 0 20 30 35 40 20 60 80 40 Ambient Humidity RH Ambient Temperature 5 30 10 C ...

Page 37: ... 35qC a 40qC 95qF a 104qF Low Temperature 10qC a 0qC 14qF a 32qF Humidity 10 a 90 RH Period of Storage One Year after EX works Other No Condensation Atmosphere 613 a 1 067hpa 460 a 880mmHg The period under the severe conditions should not be continuous and is assumed as an accumulation of intermittent time However an individual period of intermittent time under severe conditions should not be allo...

Page 38: ... 37 5 167 7 21 ...

Page 39: ...67 7 21 QYLURQPHQWDO RQGLWLRQV DVLF D RXW RI 3ULQWHU 6HW XS RFDWLRQ 813 1 8QSDFNLQJ WKH 3ULQWHU 8QSDFN WKH 6WDUWHU LW 167 7 21 25 QVWDOO WKH XVHU OHDQHU DQG 2LO RWWOH QVWDOO WKH 23 HOW DUWULGJH QVWDOO WKH 7RQHU DUWULGJH WR WKH 3ULQWHU 7HVW 3ULQW ...

Page 40: ... 10qC a 35qC 20 a 80 RH and without any condensation c Where it is likely to be in a draft of cold air from an air conditioner or warm air from a heater or to receive direct radiant heat d Where it is likely to be excessively dusty or be subject to corrosive gases such as ammonia e Users should select a location with good ventilation and set the printer on a flat surface f Users should check that ...

Page 41: ...age and injury if dropped 2 1 Unpacking the Printer Refer to Fig 3 2 on the next page 1 Cut the P P band 2 pieces 2 Remove the plastic joints 4 locations 3 Remove the outer box tape 4 Open the top of the package and take the starter kit out 5 Lift the outer box up from around the printer 6 Remove the upper packing 4 locations 7 Take out the power code 8 Open up the polyethylene bag enclosing the p...

Page 42: ... Tape w 75mm P Joint 4 locations Silica Gel EN Silica Gel ST F23 Polyethylene Bag Oil Starter Kit Packing L Base Packing F Tape w 38mm Polyethylene Bag EN F Tape w 38mm Engine Top Cushion Polyethylene Bag ST Outer Box Silica Gel ST Starter Kit Packing U Scotch Tape w 25mm 7 Polyethylene Bag Engine Top Cushion Sleeve F Tape w 38mm Fig 3 2 ...

Page 43: ...me Appearance Quantity 1 Toner Cartridge Y M C K 4 2 OPC Belt Cartridge 1 3 Oil Bottle 1 4 Fuser Cleaner 1 CAUTION When shipping the printer remove the oil bottle and the fuser cleaner from the fusing unit After removing the oil bottle be sure to remove the oil remaining in the fusing unit with the supplied syringe Failure to do so will cause severe damage to the printer Y Yellow M Magenta C Cyan ...

Page 44: ...e transportation and storage Release the fusing release lever CAUTION Do attempt to loosen the oil bottle s cap because loose cap is likely to cause the oil leakage 2 Open the retainer lock lever of oil bottle and the fuser cleaner LJ 3 Install the oil bottle to the fusing unit Fig 3 4 4 Install the fuser cleaner to the fusing unit 5 Hold the fuser cleaner with the retainer lock lever 6 Close the ...

Page 45: ...t may be damaged 1 Open the front cover and the paper exit unit cover 2 by releasing the latches CAUTION When installing or removing the OPC belt be sure to open the front cover first Failure to do so will cause the OPC belt to be damaged due to contact with the toner cartridges Fig 3 6 2 Release the belt cartridge lock levers left right Fig 3 7 Front cover Belt cartridge lock lever Paper exit uni...

Page 46: ...g 3 8 5 Install the new OPC belt cartridge into the printer along the guide of belt cartridge lock lever provided at both sides Fig 3 9 6 Set the belt cartridge lock lever at both sides left and right 7 Close the paper exit unit cover 2 Fig 3 10 Tension release pin OPC belt cartridge Protective sheet Tension release pin Belt cartridge lock lever OPC belt cartridge ...

Page 47: ...quality 1 Open the front cover 2 Holding a toner cartridge horizontally shake it to left and right for three to four times Fig 3 11 3 Remove the seal tape and remove a protective cover of toner cartridge Fig 3 12 4 Push the new toner cartridge along the guide into the printer Fig 3 13 5 Installation order of toner cartridge in terms of color shall be Cyan C Magenta M Yellow Y and Black K 6 Close t...

Page 48: ...Print 1 Make sure the printer power button is off Do not connect the interface cable Fig 3 15 2 Connect the AC power cord to the printer and then plug it into the AC outlet Fig 3 16 3 Turn on the power button Fig 3 17 ...

Page 49: ...ady Power Alarm Reprint Back Set Secure Print Go Job Cancel Fig 3 18 5 Press the Go button The printer will print a test page Check that the test page is printed correctly K C M Y HL 2600CN NETWORK READY Data Ready Power Alarm Back Set Go Job Cancel Fig 3 19 Unfold the tray extension flap Control panel ...

Page 50: ...CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS ...

Page 51: ... 1 2 Scanning System IV 21 1 3 Paper Transportation System IV 23 1 4 Fusing Unit IV 25 2 STRUCTURE OF THE CONTROL SYSTEM IV 27 2 1 Basic Structure IV 27 2 1 1 Electrical System and Functions IV 27 2 2 Control System IV 34 2 2 1 Control of the Print Process IV 34 2 3 Main PCB Video Controller PCB IV 42 2 3 1 Outline IV 42 2 3 2 Circuit IV 44 2 4 Power Supply Unit IV 56 2 5 High Voltage Power Supply...

Page 52: ...Part x Cleaner Part 2 Scanning System The scanning system consists of the following 2 two functional parts which form an electrostatic latent image on the OPC Belt by scanning it with a laser beam x Scanner Unit x Scanner Motor SCM 3 Transfer System The transfer system consists of the following 3 three functional parts and transfers the toner image formed on the transfer drum onto the page x Trans...

Page 53: ... Lamp Discharge Charge Exposure Development Paper Feed Media Cassette DC Charger Scanner Unit LD SCM I F Controller MCTL I F Control Sequence Control Laser Control Second Transfer Drum Cleaning Operation First Transfer Paper Pick up Roller Cleaning K Y M C Fig 4 1 Transfer Drum OPC Belt Registrater Roller MM Main Motor DM Develope Motor ...

Page 54: ...ractive process C BL BK GR M R Y Y Yellow M Magenta C Cyan R Red GR Green BL Blue BK Black Fig 4 2 2 Basic Color Printing Process a The printer has a Toner Cartridge of each color yellow magenta cyan and black as shown in Fig 4 3 b The toner image developed using the primary colors is transferred to the transfer drum for the printed color combination as shown in Fig 4 4 a c The toner image formed ...

Page 55: ... 3 Y Y Y M M M C C Y Y Y C C C Transfer Drum b M M M Y Y Y C C C C C Y Y Y Paper C Paper Red Green Cyan Toner R C GR a First Transfer b Second Transfer C Fusing a Fig 4 4 OPC Belt Cartridge Toner Cartridge Transfer Drum ...

Page 56: ...r layer of an insulator material PET Mylar and an aluminum deposit layer in between The OPC belt is located as shown in Fig 4 5 as the main part of the print system K Y M C Fig 4 5 Fig 4 6 OPC Belt Cartridge Toner Cartridge OPC Belt Transfer Drum Scanner Unit Electrode Photoconductor OPC Aluminum deposit layer Insulator Material ...

Page 57: ... 1 to 6 are required to form a full 24 bit color image on the transfer drum only one cycle of actions 7 8 and 9 is required to transfer the image to the paper from the transfer drum ready for fixing by actions 10 and 11 1 2 4 Transfer Drum First Transfer OPC Belt 3 Transfer Drum 5 6 7 8 9 10 11 Print System Transfer System K Y M C K Y M C K Y M C K Y M C Transport System Exposing Charging OPC Belt...

Page 58: ...t 8 Transfer Roller Transferring 9 Paper Discharger Discharges the Paper 10 Drum Cleaner Cleans the Drum 11 Fusing Unit Fusing 12 Paper Exit Unit Exits the Paper 13 Registration Roller Paper Alignment K Y M C Fig 4 8 11 Fusing Unit 10 Drum Cleaner 4 OPC Belt Cartridge 3 Toner Cartridge K Y M C Media Cassette 1 Charger 7 Cleaning Blade 6 Erase Lamp Paper Pick up Roller 5 Transfer Drum 8 Transfer Ro...

Page 59: ...artridges is biased to DBV V by the power supply DBV iv The frame potential of the transfer drum is GND Paper Discharger ACHV Transfer Roller THV THV Fuser Unit Transfer Drum Paper Cleaning Burush FCBV OPC Belt Erase Lamp Cleaning Blade CHV ZDV Charger Po Scannerl Unit CBV Y Develop M C K Toner Cartridge Toner DBV Cleaning Unit Fig 4 9 No Function Power Supply P S P S Name Approx Output Voltage 1 ...

Page 60: ...difference of potential between VR V the latent image and DBV V and a visible toner image is formed as the result v Negatively charged toner on the OPC belt moves to the transfer drum surface in the transfer process because the GND potential of the transfer drum is greater than VR V of the OPC belt vi The OPC belt is discharged by the erase lamp 2 3 4 5 OV Transfer Drum Toner CBV OPC Belt CBV VO V...

Page 61: ...se corona wire and grid iii The charger unit charges the OPC belt surface to the potential V0 V with the corona charge iv The charger unit has the grid controlled to the constant voltage ZD V for even charging 2 Process of Charging Refer to Fig 4 12 i The status of the OPC belt surface before charging is CBV V ii The charger unit charges the OPC belt surface evenly to V0 V by generating a negative...

Page 62: ... the lens and reflective mirror to form an electrostatic latent image 2 Process of Exposing Refer to Fig 4 13 i The OPC belt surface has been charged to the potential Vo V in the charging process ii The laser light is scanned at right angles to the forward direction of the OPC belt iii High speed switching of the laser is made according to the transmitted image data iv The charge of the areas radi...

Page 63: ...processed by this roller contacting the OPC belt surface ii The developer roller has been biased to the potential DBV V Fig 4 15 describes the relationship established between the potential of the toner the potential V0 V at the non exposed area of OPC belt and the potential VR V on the exposed area of the OPC belt iii Developing is processed by the toner adhering to the OPC belt due to the attrac...

Page 64: ...IV 13 CBV DBV Fig 4 15 Y M C K Fig 4 16 Developer roller Toner OPC Belt Toner M Exposing Developing ...

Page 65: ...drum 1 Structure of the Transfer Drum Refer to Fig 4 8 i The drum is located as shown in Fig 4 8 ii Material of the drum is aluminum iii Semiconductor rubber is used to provide the drum surface as shown in Fig 4 17 iv The transfer drum rotates by contacting and synchronizing with the OPC belt Fig 4 17 Transfer Drum Aluminum Rubber ...

Page 66: ...o the transfer drum due to the difference of potential between the OPC belt and the transfer drum iv Toner that has been developed by each color in sequence is moved from the OPC belt onto the transfer drum and the color toner images overlap on the transfer drum v Upon completion of the drum transfer process the complete toner image is transferred onto paper in the paper transfer process Fig 4 18 ...

Page 67: ...s located as shown in Fig 4 8 ii The light source of the erase lamp is 24 light emitting diodes LEDs 2 Process of Discharging Refer to Fig 4 19 i Though the toner image was transferred to the transfer drum in the drum transfer process there is still a residual charge on the OPC belt ii The residual charge VR on the OPC belt is discharged by the radiation of the erase lamp light prior to cleaning t...

Page 68: ...he OPC belt cartridge as shown in Fig 4 8 2 Process of Belt Cleaning Refer to Fig 4 20 There is residual toner on the OPC belt as it has not been completely transferred in the drum transfer process Residual toner is mechanically scavenged by the blade edge The scavenged residual toner is collected in the waste toner pack by the waste toner feeder Fig 4 20 Belt cleaning Blade Belt discharging Erase...

Page 69: ...ller and transfer drum 2 Second Transfer Process Refer to Fig 4 21 i Paper is transported and is synchronized with the transfer drum ii The transfer roller operates and is synchronized with the transported paper and is in contact with the transfer drum through the transported paper iii The transported paper passes between the transfer roller and transfer drum At this time the positive high voltage...

Page 70: ...he AC charger unit consists of the case and a charger wire iii A high alternating voltage VAC is fed to the AC charger unit 2 Process of Paper Discharging Refer to Fig 4 22 i The paper adheres to the transfer drum in the transfer process ii The paper is neutralized discharged in terms of any electrical charge by the alternate voltage generated by the discharger iii Paper is separated from the tran...

Page 71: ...ing brush 2 Process of Belt Cleaning Refer to Fig 4 23 i There is residual toner on the surface of the transfer drum after the paper transfer process ii The Drum cleaning brush is positively self biased and so the negatively charged residual toner is removed from the surface of the transfer drum onto the drum cleaning brush iii The Drum cleaning roller has been biased to the positive voltage FCBV ...

Page 72: ...g 4 24 The scanner unit is located as shown in Fig 4 8 The scanner unit consists of the following parts c Laser Unit Light emitting source incorporating a laser diode d Cylinder Lens Condenser for the laser beam e Polygon Mirror Hexahedral mirror for scanning the laser beam f F 6 Lens Focus lens for the laser beam g Scanner Motor Motor to rotate the polygon mirror h Mirror Reflecting mirror for th...

Page 73: ...on of the Scanner Unit is as follows Item Specifications Rated Output of Laser Diode 5mW Wave Length of Laser Beam Approx 785nm Scanning Density 600dpi Scanning Width 314mm Scanner Motor speed 35 904rpm Number of Polygon Mirror Faces 6 ...

Page 74: ...on system consists of the following parts c Media Cassette Case to accommodate paper to be fed automatically d Paper Pick up Roller Roller to feed sheets of paper one by one preventing multi feed e Registration Roller Roller to transport papers synchronized with the transfer drum f Transfer System Print processing part consisting of transfer drum and transfer roller to transfer the toner image ont...

Page 75: ...IV 24 5 4 3 2 1 8 7 6 c Media Cassette g Paper Discharger Unit d Paper Pick up Roller h Fusing Unit e Registration Roller i Paper Exit Unit f Transfer Roller j Paper Exit Roller Fig 4 25 ...

Page 76: ...r 1 Structure The fusing unit consists of the following component parts Refer to Fig 4 26 c Back up Roller is a pressure roller and incorporates a heater lamp d Fusing Roller incorporates a heater lamp e Fusing Heaters halogen lamps to heat the rollers f Thermal Fuse prevent the fuser roller from being excessively heated up g Thermistor is a sensor to detect the temperature of the fuser roller s s...

Page 77: ...back up roller f Each roller is heated up to approx 140qC and receives approximately 156N pressure from the opposite heat roller g When the paper carrying the toner images passes between the two heat rollers the toner images are melted and fused on the transported paper h The paper carrying the fused image is separated from the heat rollers and ejected from the printer M Y C M Y a Before Fusing M ...

Page 78: ... paper exit d Laser Output Control To automatically control the laser output e Fuser Temperature Control To control the fixer heater so that the temperature of the fuser roller and back up roller will be correct f Toner Sensing Control To control the sensing of the toner empty status g Interface Control Video Signal To process the input and output signals to and from the external controller host h...

Page 79: ... OIL Fusing Unit DC Power Supply Unit High Voltage Unit Interlock Switches Paper Sensor P EN Main Motor 2 Paper Sensor F CL Paper Sensor PT1 Paper Size Sensor PSU Paper Sensor EXF OHP Sensor 3 OHP Belt Sensor DPJ Paper Sensor F CL Toner Key Sensor 2 TNK Paper Sensor D EN Belt Sensor PBS Oil Sensor OIL Paper Sensor PT2 Waste Toner Sensor WTS Toner Sensor ASSY Developer Position Sensor Paper Full Se...

Page 80: ...ol the drive and output to the laser diode in the scanner unit 5 PDU PCB To sense the emission of the laser diode and the beam position in the scanner unit 6 Erase Lamp To discharge the OPC belt with the LEDs 7 IOD1 PWB 2 To send the signals from the sensors to the MCTL PWB 2 and to drive the outputs from the MTCL PWB 2 to the motors clutches and solenoids 8 IOD2 PWB 2 Ditto 9 DC Power Supply LVPS...

Page 81: ...eloping system 3 Scanner Motor SCM To scan the laser beam 4 Cooling Fan OZ OZFAN To exhaust the ozone from the printer charger unit 5 Cooling Fan EX 2 HTFAN2 To exhaust the heat of the fusing unit 6 SL2 PS Fan CTLFAN To exhaust the heat of the power supply unit and Interface Controller Fig 4 30 4 Cooling Fan OZ 5 Cooling Fan EX 2 3 Scanner Motor 2 DeveloperMotor2 1 Main Motor 2 6 SL2PSFan ...

Page 82: ...oper Clutch 2 DCL Y M C K To drive the magnetic roller of the desired color toner cartridge by coupling that toner cartridge to the developer gear unit during developing 9 Developer Solenoid Unit PSL MC PSL KY To position the desired color toner cartridge in the developing position during developing 10 TR Cam Clutch 3 TRCM To make the transfer roller contact the transfer drum surface at the time o...

Page 83: ...o sensor to detect the home position of the OPC belt 10 Toner Sensor ASSY TPD TTR Photo sensor to detect if the toner is empty for each toner cartridge 11 Waste Toner Sensor WTS Photo sensor to detect if the waste toner bottle is full of toner 12 Developer Position Sensor DHP1 DHP2 Photo sensor to detect the position of the toner cartridge 13 Paper Sensor F CL Photo sensor to detect if the fuser c...

Page 84: ...CL 3 Paper Sensor PT2 7 Belt Sensor DPJ 1 Paper Size Sensor PSU 4 Paper Sensor P EN 10 Toner Sensor ASSY TPD TTR 12 Developer PositionSensor 16 Toner Key Sensor 2 TNK 11 Waste Toner Sensor WTS 14 Temperature Sensor for Fusing Unit 9 Belt Sensor PBS 17 1 Interlock Switch Front 17 2 Interlock Switch Top 17 3 Interlock Switch Rear ...

Page 85: ...nsor PT2 Paper Sensor D EN Belt Sensor PBS Oil Sensor OIL Waste Toner Sensor WTS Toner Sensor ASSY Developer Position Sensor Paper Full Sensor Temperature Sensor for Fusing Unit I F Controller MCTL Engine Controller Fig 4 33 1 Control Block Diagram Refer to Fig 4 33 No Name Function 1 Sequence Control To control the sequence of printer operations 2 Temperature Control To control the temperature of...

Page 86: ...er beam is sensed by the photo detector PD and the signal is fed back to the output control circuit 3 The output control circuit controls the laser output to make the level constant by comparing the laser output with the feed back value transmitted from the output sensing circuit 4 The scanning laser beam is sensed by the beam detector PD then the beam detecting timing BDT signal is output Laser B...

Page 87: ...t becomes hotter than the set temperature within the fixing unit GA CPU Process circuit to control the temperature signal micro computer CM1 Sensor circuit for temperature signal for ACOFF signal CM2 Sensor circuit for temperature signal for HON signal CM3 Sensor circuit for temperature signal for processing Q Sensor circuit for shut down by the thermistor for THERR signal HR Heat lamp for the hea...

Page 88: ...IV 37 THERR ACOFF HON GA CPU Q CM2 CM1 CM3 AD ACOFF P HON N RY 1 RY 1 FLS PC Fusing Unit TFU1 TFU2 BR HR Fig 4 35 Basic Structure of Fuser Control ...

Page 89: ... circuit should break down When the thermal fuse melts the printer will stop operating Safety Control by Temperature Control Signal H0 When the THERR signal is input the control panel indicates H0 and the printer will stop operating H2 If the temperature of the fixing unit does not reach the required point T1 after a certain time the control panel indicates H2 and the printer will stop operating H...

Page 90: ...sing Command Status communication and transmits the synchronized video data to Printer laser diode Control Panel is physically resident on the engine b Interface Connection Control Panel Duplex unit Option Lower Feeder 1 Unit Option DC Power Supply Printer Engine Controller Laser Printer Controller LPC Customer design Video Interface DC Power Supply Connector Host System Fig 4 36 The interface con...

Page 91: ...it No Interface Circuit Signal Name 22 Fast TTL x VIDEO P 1 150 M5M34050 x VIDEO N x VIDEO P 2 M5M34050 x HSYNC N x HSYNC P 3 5V 22 GND 0 01 F 220 330 GND SN74LS14 x PRREQ N x COMMAND N x ID1 N x ID2 N 4 5V 3 3K 74LS06 x VSYNC N x IREADY N x STATUS N x KEY STATUS N ...

Page 92: ...SGND 8B 5V 2D Max 7A 9A VIDEO P 9B VIDEO N 10A RET GND 10B Reserve 11A HSYNC P 11B HSYNC N 12A ID2 N 12B Reserve 13A RET GND 13B VSYNC N 14A RET GND 14B Reserve 15A RET GND 15B STATUS 16A RET GND 16B IREADY N 17A RET GND 17B Reserve 18A RET GND 18B COMMAND 19A RET GND 19B PRREQ N 20A RET GND 20B Reserve 21A ID1 N 21B Reserve 22A RET GND 22B KEY_STATUS N 23A 12C CLK 23B Reserve 24A 12C DAT 24B FRIR...

Page 93: ...vert the received data to the bitmap data such as characters or graphics x Control the engine and send the generated bitmap data as a video signal The control panel is controlled by communicating with the engine CPU to display LCD messages light the LEDs and display the button status etc The power for the Main PCB is supplied from the engine through the engine interface connector ...

Page 94: ...QM PCI BUS LCX16347 RAS CAS WE MA Data BUS 5v 3 3v Gate Array SLAC099HF1A LCX16245 Local Data BUS ASIC MB87F4561 3 3v 3 3v MASK ROM 32M x2 8MB Flash ROM 32M x2 8MB 5v IDE Data BUS HCT245 Address BUS Address BUS 5v CompactFlash Data BUS Compact Flash HCT245 Hsync SN75C1168 ENGINE I F Video GND 5v EEPROM M24C64 64kbit Command PrReq Vsync Status Iready KeyStatus 5v IDE HARD DISK Regurator PQ30RV31 PQ...

Page 95: ...rols interrupts Timer External interfaces Centronics BR NET IDE Compact Flash USB Engine interface Video signal control Supports Software 3 Gate Array block x Model name SLAC099HF1A manufactured by Epson x Appearance 160pin QFP x Functions Engine control 4 ROM block The ROM stores the CPU control program and font data ROMs used are an 16Mbytes masked ROM and an 8 Mbytes flash ROM which can be rewr...

Page 96: ... time PC66 CL2 x Parity either Parity or Non parity can be used x Memory capacity 16MB 32MB 64MB 128MB Recommended DIMM type 16MB Techworks PM HP 16M 32MB Techworks PM HP 32M 64MB Techworks PM HP 64M 128MB Techworks PM HP 128M Any combination of DIMM size can be installed into any slot in any order but it is recommended that the larger DIMM is install in Slot 0 6 External interface block x Centron...

Page 97: ...SYNC Horizontal synchronization signal for printing VIDEO Video data signal COMMAND Command signal sent from the controller to the engine STATUS Status signal sent from the engine to the controller Fig 4 39 shows the timing of each signal after the power switch is turned on Power On IREADY N PRREQ N VSYNC N VSYNC N HSYNC N VIDEO P VIDEO P 210s MAX 0 1sec MIN 15sec MAX 15us MIN 10ms MAX 1 0sec MAX ...

Page 98: ...ion method x Command Status communication must keep the Handshake Rule x Baud rate is 9600 bps x Frame format one 1 start bit eight 8 data bits Start bit side is LSB Parity bit is MSB one 1 odd parity bit one 1 stop bit x The video controller has to send an Initialize Command to the engine controller after power on in order to establish communication The power for the Main PCB is supplied through ...

Page 99: ...Main PCB Circuit Diagram 1 8 CODE B512137CIR 1 8 LJ8907001 IV 48 NAME ...

Page 100: ...Main PCB Circuit Diagram 2 8 CODE B512137CIR 2 8 LJ8907001 IV 49 NAME ...

Page 101: ...Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 IV 50 NAME ...

Page 102: ...Main PCB Circuit Diagram 4 8 CODE B512137CIR 4 8 LJ8907001 IV 51 NAME ...

Page 103: ...Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 IV 52 NAME ...

Page 104: ...Main PCB Circuit Diagram 6 8 CODE B512137CIR 6 8 LJ8907001 IV 53 NAME ...

Page 105: ...Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 IV 54 NAME ...

Page 106: ...Main PCB Circuit Diagram 8 8 CODE B512137CIR 8 8 LJ8907001 IV 55 NAME ...

Page 107: ... 5V 2A For control of the laser 5V 2 5V 2D 5V 8A MAX For control of the interface 8A MAX 24V 1 24V 6 5A For control of printer charging HP HN 120V 8A 1000W 220V 5A 1000W For connection of the fuser heater HP For connection of the fuser heater HN 2 Layout of Connector Pin Assignment See Fig 4 40 on the following page ...

Page 108: ...IV 57 Layout of Connector Pin Assignment Power Supply Unit Fig 4 40 ...

Page 109: ...On Signal Pull up required 16 TestI2 Terminal for Dielectric Strength Test 17 24V 1 24VOutputthroughDoor Switch 18 TestO2 Terminal for Dielectric Strength Test 19 24V 1 24VOutputthroughDoor Switch 20 TestI1 Terminal for Dielectric Strength Test 21 24V 1 24VOutputthroughDoor Switch 22 TestO1 Terminal for Dielectric Strength Test 23 24V 1 24VOutputthroughDoor Switch 24 PGND Power Ground 24V type gro...

Page 110: ...I 24V Output through Door Switch ACN3 Manufacture MoLex Type 5566 08A Pin No Signal Name Interface Pin No Signal Name Interface 1 SWRUS P Power Supply OPEN 2 5V 2 5v 2 Output 3 5V 2D 5V 2D Output 4 5V 2D 5V 2D Output 5 24VDO N 24V Door Open 6 SGND Signal Ground 5V type ground 7 SGND Signal Ground 5V type ground 8 SGND Signal Ground 5V type ground ...

Page 111: ...kV 550PA 2 First Transfer CBV 1200V Max 600V 1 5PA Y M DBV A 1600V Max 240V 3 Developing Bias C K DBV B 1600V Max 1 5PA 4 Second Transfer THV 4 0kV Max 1 3kV 1 3PA 5 Transfer Roller Cleaning THV 1500V Max 800V 0 8PA ACV a 5 5kV Max 4 9kV 6 Paper Discharging DCV 800V Max 800V 7 Drum Cleaning FCBV 1200VMax 500V 10PA 2 Layout of Connector Pin Assignment See Fig 4 41 on the following page ...

Page 112: ...IV 61 Layout of Connector Pin Assignment High Voltage Power Supply Unit Fig 4 41 ...

Page 113: ... Signal 7 CHVON ON CHV Output ON Signal 8 CHVERR CHV ERROR Sensor Signal 9 CBVPWM N CBV PWM Control Signal 10 THVRON N THV ON Signal 11 DBVYMPWM N DBV PWM Control Signal 12 THVPWM N THV PWM Control ON Signal 13 DBVCKPWM N CBV PWM Control Signal 14 THV I Transfer Voltage Select Signal 15 FCBVPWM N FCBV PWM Control Signal 16 TH1 Termistor Temperature Sensor Signal 17 AC DCON N AC DC Control Signal 1...

Page 114: ... Developer Clutch 2 M Wast Toner Sensor TR Wast Toner Sensor LED Developer Clutch 2 Y Developer Clutch 2 K Main Motor 2 Cleaner Clutch 3 Fixing Clutch TR Cam Clutch 3 TR Cam Clutch 3 Registratio Clutch Cooling Fan OZ Paper Pick up Clutch SL2 PS Fan Scanner Motor Developer Position Sensor 1 Developer Position Sensor 2 OHP OHP Sensor 3 Paper Sensor Paper Sensor D EN Paper Sensor P EN Interlock Switc...

Page 115: ... PGND 26 PGND 27 PGND 28 PGND 29 DCOFF3 P 30 NC 2 DCN17 IOD1 PWB 2 High Voltage Unit BCN1 18 pins Pin No Signal Name Pin No Signal Name 1 24v 1 2 PGND 3 ACVERR 4 PGND 5 ACVON N 6 PWMON N 7 CHVON N 8 CHVERR 9 CBVPWM N 10 THVRON N 11 DBV MC PWM N 12 THVPWM N 13 DBV KY PWM N 14 THV I 15 FCBVPWM N 16 Reserved 17 AC_DCON N 18 Reserved 3 DCN3 For Factory Use Only 4 pins Pin No Signal Name 1 TESTO1 2 TES...

Page 116: ... 19 I ODATA4 20 FCBVPWM N 21 Reserved 22 THVRON N 23 AC_DCON N 24 THVPWM N 25 PKCLL1ON P 26 THV I 27 ELON P 28 Reserved 29 PBSEN N 30 Reserved 31 HPSEN N 32 OILLES P 33 CTFANON P 34 Reserved 35 HTFANON P 36 HON N 37 5v 1R 38 ACOFF P 39 SGND 40 ACSYNC N 41 SGND 42 24 43 SGND 44 PGND 45 5v 1 46 PGND 47 5v 1 48 24v 1 49 5v D 50 24v 1 6 DCN10 IOD1 PWB 2 IOD2 PWB 2 ECN2 10 pins Pin No Signal Name Pin N...

Page 117: ... 13 SGND 8 DCN6 IOD1PWB2 PaperSizeSensor2 PSU Pin No Signal Name Pin No Signal Name 1 5v D 2 PSU1 3 PSU2 4 PSU3 5 PSU4 6 PSU5 7 SGND 8 TH3 9 DCN7 IOD1PWB2 TonerSensor Y M C K Erase Lamp Pin No Signal Name Pin No Signal Name 1 TLES K P 2 TLES Y P 3 TLES M P 4 TLES C P 5 TLES G 6 SGND 7 LEDON P 8 TLESCHK 9 SGND 10 24v 1 11 ELON N 10 DCN18 IOD1PWB2 SL2 PS Fan Pin No Signal Name Pin No Signal Name 1 C...

Page 118: ... NC 22 NC 23 NC 24 5v D 25 SGND 26 SGND 12 DCN14 IOD1PWB2 PaperSensor PT2 Paper Sensor F CL Paper Sensor EXF Cooling Fan EX 2 Pin No Signal Name Pin No Signal Name 1 5v S 2 PT2 N 3 SGND 4 5v S 5 CLROL N 6 SGND 7 5v S 8 PEFULL N 9 SGND 10 HTFANON P 11 PGND 12 HTFANERR 13 DCN16 IOD1PWB2 BeltSensor PBS OilSensor OIL BeltSensor DPJ Pin No Signal Name Pin No Signal Name 1 PBSEN N 2 5v 1 3 SGND 4 OILLES...

Page 119: ...Name 1 24v 1 2 NC 3 DCL C ON N 16 ECN15 IOD2PWB2 Developer Clutch 2 M Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3 DCL M ON N 17 ECN14 IOD2PWB2 Developer Clutch 2 Y Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3 DCL Y ON N 18 ECN13 IOD2PWB2 Developer Clutch 2 K Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3 DCL K ON N 19 ECN5 IOD2PWB2 Developer Position Sensor1 Developer Positi...

Page 120: ...WB2 Registration Clutch RECL Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3 RECLON N 24 ECN17 IOD2PWB2 Waste Toner Sensor WTS Pin No Signal Name Pin No Signal Name 1 TBFL1 N 2 SGND 3 WTLEDON 4 SGND 25 ECN10 IOD2PWB2 TR Cam Clutch 3 FBCM Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3 NC 4 FBSLON N 26 ECN8 IOD2PWB2 TR Cam Clutch 3 TRCM Pin No Signal Name Pin No Signal Name 1 24v 1 2 NC 3...

Page 121: ...ns Pin No Signal Name Pin No Signal Name 1 NC 2 Reserved 3 DCOFF3 N 4 Reserved 5 CTFANERR 6 IDO1VOFF P 7 TH3 8 DCOFF2 N 9 Reserved 10 Reserved 31 LCN MCTL PWB 2 LDU PCB 20 pins Pin No Signal Name Pin No Signal Name 1 5v 1R 2 LDREF2 3 LDREF3 4 5v 1 5 LDREF1 6 LDREF0 7 LREADY 8 LCONT2 9 LCONT1 10 VIDEO N 11 LDREF4 12 BDT P 13 BDT N 14 SGND 15 SGND 16 SCMCLK 17 SCMRDY N 18 SCMON N 19 PGND 20 24v 1 32...

Page 122: ...CDE 11 PASWRDN 12 PALEDWRN 13 SGND 14 5v 1 15 LCDBLED 16 NC 36 MCTL PWB 2 DPCN Duplex Unit CNDUP Pin No Signal Name Pin No Signal Name 1 D COMMAND 2 SGND 3 DUMBUSY2 N 4 SGND 5 D STATUS 6 SGND 7 Reserved 8 DUPCHK N 9 DUMBUSY1 N 10 PT 1 11 DUPRES N 12 SGND 37 ACN4 Power Supply Unit Duplex Unit CNDUP Pin No Signal Name Pin No Signal Name 1 5v 1 2 5v D 3 SGND 4 24v 2 5 24v 2 6 PGND 7 PGND 38 DCN15 IOD...

Page 123: ...v 2 18 24v 2 19 5v D 20 SGND 21 5v 1 22 NC 23 NC 24 NC 40 Fusing Unit Pin No Signal Name Pin No Signal Name 1 HN 2 HP A1 TH2 B1 GND A2 TH2 B2 FUTEMP A3 TH1 B3 NC A4 TH1 B4 NC 3 NC 4 NC 41 Fusing Unit Pin No Signal Name Pin No Signal Name 2 HP 1 HN B4 GND A1 TH1 B3 FUTEMP A2 TH1 B2 NC A3 TH2 B1 NC A4 TH2 4 NC 3 NC 42 MCTL PWB 2 FUCN Fusing Unit Pin No Signal Name Pin No Signal Name 1 TH1 2 TH1 3 TH...

Page 124: ...CHAPTER V CONTROL PANEL OPERATION ...

Page 125: ...et Mode V 8 3 ENGINE CONTROLLER MODE V 9 3 1 Configuration of Operational Mode V 9 3 2 Operation of Normal Mode V 11 3 3 Service Mode V 18 3 4 Adjustment Work Procedures V 41 3 4 1 Adjustment of Top and Left Margin V 41 3 4 2 Setting of Engine NVRAM Data V 42 3 4 3 Confirmation and Setting of Total Number of Printouts V 43 3 4 4 Setting of Number of Images for Each Color V 43 3 4 5 Initial Setting...

Page 126: ...dy Menu Reprint Secure Print Set K C M Y 1 9 4 10 13 12 6 5 2 3 11 7 8 Fig 5 1 No LED Button Name 1 LCD 16 character by 2 lines 2 Power LED 3 Ready LED 4 Data LED 5 Go button 6 Job Cancel button 7 Alarm LED 8 Secure Print button 9 button 10 button 11 Reprint button 12 Back button 13 Set button ...

Page 127: ...ler PCB Whenever the video controller is replaced these checks should be carried out This mode provides performance tests for the engine LCD control panel buttons and various sensors 3 DRAM Test Mode This mode is provided to test installed DIMM s on the main video controller PCB 4 Test Print Mode This mode allows you to print the selected test pattern in order to check the engine 5 NVRAM Reset Mod...

Page 128: ...mpact flash card Procedure Note x It is possible to skip the test and proceed with the next test by pressing the Go button x If any errors occur during the following procedures an error message appears on the LCD By pressing the Go button it is possible to proceed with the test 1 Turn on the power while holding down the and buttons The following message appears LINE TEST 2 Press the Go button to i...

Page 129: ...nt the SENSOR TEST The following display appears on the LCD Check that the display of each sensor is changed to the corresponding character ABCDEFGHIJKLMNOP QRST Corresponding sensor code URQW RYHU 7RS RYHU 5HDU RYHU 7UDQVIHU 8QLW 7RQHU DUWULGJH 7RQHU DUWULGJH 7RQHU DUWULGJH 0 7RQHU DUWULGJH 23 HOW DUWULGJH XVHU OHDQHU XVLQJ 8QLW DVWH 7RQHU 8SSHU DVVHWWH 0 RZHU DVVHWWH 1 8SSHU DVVHWWH 3DSHU 2 RZHU...

Page 130: ...RT TRAY 1 A4 A4 size cassette is installed TRAY 1 LETTER Letter size cassette is installed TRAY 1 NO No cassette is installed TRAY 1 SIZE ERR The paper size is other than A4 or Letter size 7 Press the Go button to implement the TRAY2 CHECK The paper size of the installed cassette 2 is displayed Check that the paper size is correct TRAY 2 A4 TRAY 2 CHK START TRAY 2 A4 A4 size cassette is installed ...

Page 131: ...OK CARD R W START CARD R W OK The compact flash card works correctly CARD R W ERROR The compact flash card has a problem NO FLASH CARD The compact flash card is not installed 9 Press the Go button to exit the LINE TEST mode and reset the printer Now initializing RAM SIZE 64M WARMINGUP READY 10 Turn off the power When this message appears the printer may be turned off ...

Page 132: ...irm the current memory map i Press the and Set buttons in this order while holding down the Go button ii The LCD will display HIDDEN PANEL iii Select the DRAM ADDRESS menu using the scroll buttons iv Whenever the Set button is pressed the LCD will display the DRAM error address on Slot 1 Slot 2 and Slot 3 in turn 6 If a DIMM DRAM has an error replace the DIMM corresponding to the above memory map ...

Page 133: ...d pattern to check the magnification and paper skew TEST PTN LINE Horizontal line with 2 dots and 3 spaces to check the pitch of paper feeding TEST PTN BLACK Prints the all black page to check the damage on the fusing unit TEST PTN WHITE Prints the blank page to check the black spots or dark printing 4 If selecting repeat test print select one of the following items by pressing the or button then ...

Page 134: ...ine button under the Engine Controller Mode the printer goes into the Engine Normal Mode This mode provides functions to indicate the operation status of the printer and also messages relating to normal operations which the operator is controlling Note Be sure to remove the main PCB before the printer goes into the Engine Normal Mode If you fail to do so the printer goes into the sleep mode 2 Serv...

Page 135: ... CG ALIGN LFU ALIGN TRANSFER ROLLER 17 MEDIA JAM CLOSE PANEL FRONT 18 CLOSE PANEL TOP CLOSE PANEL REAR CLOSE PANEL DUPLEX 19 SLEEP MODE 20 SERVICE CALL Power LED ON Service Mode 31 TEST PRINT Ready LED OFF 32 NEXT CARE INFO 33 CASSETTE TYPE 34 TOTAL PAGE 35 EACH IMAGE 36 CLEAR CARE 37 MEDIA MANAGE 39 FACTORY MODE 40 DP CHECK 41 BD CHECK 42 FU CHECK 43 MARGIN ADJUST 44 LIFE PERIOD SET 45 NVRAM TUNE...

Page 136: ...tenance work Operation Procedures 1 Press the power button to turn on the printer while holding down the Secure Print Back Set buttons Refer to Fig 5 1 2 Press the Go button so that the printer is on line and the Power LED starts to flash 3 The Power LED lights approximately 250 seconds after power on and the printer is ready to print Normal Mode See Table 5 2 for details of indications available ...

Page 137: ...ze A4 A4 size B5 B5 size 4 The code numbers of consumables or periodical replacement parts will be indicated if they have reached their life or should be replaced now If no periodical replacement is required there will be no indication in the LCD For details of the periodical replacement parts see 36 CLEAR CARE in the next section 01 01 WAIT 1 2 4 x The Power LED is lit x The engine is in the proc...

Page 138: ...ion is indicated as follows UPP Upper Cassette LOW Lower Cassette x Replenish the empty cassette with paper 11 3 CHECK MEDIA for DUPLEX 11 CHK MEDIA 1 for DUPLEX 4 x Engine stands by a CHECK MEDIA Duplex x The Power LED is lit 1 Media check is indicated with the following messages for each feeder UPP Upper Cassette LOW Lower Cassette DPL Duplex Unit Inside x Changes the applicable media x Changes ...

Page 139: ... CT C Toner Cartridge C MT M Toner Cartridge C KT K Toner Cartridge x The engine is idling x The Power LED is lit 5 The toner empty condition is indicated by the color code as follows Y Yellow M Magenta C Cyan K Black x Replace the indicated toner cartridge with a new one of the correct color 14 1 CHECK FUSER OIL 14 CHECK FUSER OIL F0 x The engine is idling x The Power LED is lit x Replace the fus...

Page 140: ...executing the print process after receipt of print command the media type of feeder is not consistent with the specified media type Misprint occurred while the Duplex printing x This message can be cleared by pressing the button 16 1 ALIGN FU UNIT 16 ALIGN FU UNIT 4 x The engine is standstill x The Power LED is lit x The fusing unit is not installed Reconfirm the installation status of the fusing ...

Page 141: ...lled Reconfirm the installation status of the OPC belt cartridge x This message will be automatically cleared by open close operation of the paper exit cover or front cover 16 5 ALIGN LFU 16 ALIGN LFU 4 x Engine stands by as ALIGN LFU status x Turn the power off and then connect the harness between the engine and LFU x Turn the power on If the warming up process starts it means that proper connect...

Page 142: ...PANEL status x The Power LED is lit 8 One of following message appears to indicate the kind of cover being open FRONT Front Cover TOP Paper Exit Cover REAR Rear Cover DPL Rear Cover x Close the indicated cover and then above message is cleared 19 SLEEP MODE 19 SLEEP MODE 4 x The engine is idling x The Power LED is lit x This mode is cleared by sending a WAKE UP command EC24 from the LPC x The prin...

Page 143: ...k Set buttons and turn the printer Power on 2 Using the Reprint Back and Set buttons select the mode necessary for the maintenance work from the test list shown in Table 5 2 How to designate the necessary mode 1 Press the Back or Set button so that service modes a b and c show up in sequence to be selected 2 After selecting the desired mode execute the selected mode by pressing the Reprint button ...

Page 144: ...r ex red color and then press the Reprint button c o d 4 After completion of the warming up process the desired pattern of the selected color will be continuously printed d 5 Print operation is suspended by pressing the button d o e If it is desired to return to the previous screen message press the button one more time e o d 6 If it is desired to return to On line mode press the Go button f o g S...

Page 145: ...using Unit FU 9 Transfer Drum TD 10 Replacement Kit by every 120K OW 13 Pick up Roller PK 14 Pick up Roller PL 16 Paper Discharger PD b 3 After selecting the desired information s code press the Reprint button Then the number of images or printouts corresponding to the selected code is displayed b o c through f 4 Screen c through f can be cleared by pressing the button f o e o d o c o b Press the ...

Page 146: ...int button after selecting Screen a CASSETTE TYPE a o b 2 Using the Back or Set button select the applicable code of the desired cassette A B or C and then press the Reprint button 3 Return to SERVICE MODE by pressing the button b o c A US B EC C JPN SERVICE MODE CASSETTE TYPE 33 CASSETTE TYPE TYPE A B C a b c SERVICE MODE TEST PRINT ...

Page 147: ...ting TOTAL PAGE mode a o b 2 Select one type of page from among TOTAL PAGE DPL PAGE 3 6 digit number is displayed This number represents the total number of pages that have been printed out b 3 Press the button to clear the screen c d o e SERVICE MODE TOTAL PAGE 34 DUPLEX PAGE P a TOTAL PAGE TOTAL DUPLEX b d e SERVICE MODE TEST PRINT 34 TOTAL PAGE P c ...

Page 148: ...s the Reprint button b o c 3 The number of images created in the selected color is displayed Ex Yellow c 4 Press the button to exit this mode from screen c c o d 5 Using the Back or Set button select another color and then press the Reprint button to confirm the number of images created in that color 6 Press the button to return to the Service mode d o e SERVICE MODE EACH IMAGE 35 IMAGE OF 35 IMAG...

Page 149: ...E code and then press the Reprint button b o c 3 When implementing CLEAR CARE use the Back or Set button to select YES and then press the Reprint button c o d No Periodic Mentenance Parts Code 2 Fuser Cleaner FC 7 OPC Belt Cartridge BC 8 Fusing Unit FU 9 Drum Cleaner Transfer Roller 120K OW 10 Transfer Drum TD 13 Paper Pick up Roller PK 14 Paper Pick up Roller LFU PL 15 Paper Discharger PD 6 Press...

Page 150: ...umstances Procedure Description of Procedures LCD Message 1 Press the Reprint button after selecting MEDIA MANAGE a o b 2 Select DEFIANCE and then press the Reprint button if the OHP sensor signal should be ignored b o c In normal operation the mode is preset to MANAGE SERVICE MODE MEDIA MANAGE 37 MEDIA MANAGE MANAGE DEFIANCE a b c SERVICE MODE TEST PRINT ...

Page 151: ...tion of operation and the resetting functions necessary for maintenance work Basic Configuration 39 FACTORY MODE 40 DP CHECK 41 BD CHECK 42 FU CHECK 43 MARGIN ADJUST 44 LIFE PERIOD SET 45 NVRAM TUNE UP 46 NVRAM INITIAL 47 TOTAL PAGE SET 48 EACH IMAGE SET 49 NEXT LIFE SET 50 ID DATA SET ...

Page 152: ...Ex yellow color b o c 3 The selected color toner cartridge starts to drive If no error occurs in driving the message GOOD is displayed in the LCD otherwise FAIL c Toner cartridge drive will automatically stop after 60 seconds c o d 4 Press the button to stop the DP CHECK mode d Press the button one more time to return to the status of screen a d o e 39 FACTORY MODE DP CHECK 40 DP CHECK 40 DP CHECK...

Page 153: ... BD CHECK mode b o d 39 FACTORY MODE BD CHECK 41 BD CHECK 41 BD CHECK GOOD a b c d 39 FACTORY MODE DP CHECK FAIL 42 FU CHECK Availability of oil in the fusing unit can be checked Procedure Description of Procedures LCD Message 1 Press the Reprint button after selecting FU CHECK a o b 2 When powered on the fusing unit starts the heating up process and subsequently checks the fusing temperature If t...

Page 154: ... can be adjusted by up to 3 5mm left and right in 0 5mm steps from the reference value 0 Using the Back or Set button select the amount of adjustment by selecting a number displayed in screen c or d The amount of adjustment selected will be displayed at the upper right corner of Screen c or d After confirming the desired amount of adjustment is displayed press the Reprint button to set the adjustm...

Page 155: ...charger PD 3 Use the Back or Set button to select the desired digit Use the Reprint button to input value to the blinking digit Upon completion of inputting the values to be set use the Back or Set button to select SET on the LCD and then press the Reprint button to register the set value 4 Press the button to complete the setting work g 5 Press the button one more time to return to FACTORY MODE g...

Page 156: ...ne adjustment of the adjust value is required This mode consists of following 8 eight subordinate modes Configuration of NVRAM TUNE UP Factory Value at Ex Work 45 NVRAM TUNE UP 45 1 LP TUNE UP 0 45 2 THV TUNE UP PPC OHP 0 LABEL 0 45 3 DBV TUNE UP 0 45 4 CBV TUNE UP 0 45 5 FBV TUNE UP 0 ...

Page 157: ...int button b o c 3 After selecting the color to be adjusted press the Reprint button Ex Yellow c o d 4 The adjustment value can be adjusted in 8 steps between the 4 and 4 After selecting the required number press the Reprint button d 5 Press the button to finish the adjustment for yellow d o e Repeat steps 3 to 5 if adjustment work is required for another color 6 Press the button to finish the adj...

Page 158: ...cting THV TUNE UP Code 2 press the Reprint button b o c 3 After selecting the media to be adjusted press the Reprint button Ex PPC c o d 4 Adjustment can be made in 8 steps between 4 and 4 After selecting a given number press the Reprint button d 5 Press the button to wrap up the adjustment for PPC d o e Repeat steps 3 to 5 for other media such as OHP or Labels 6 Press the button to wrap up the ad...

Page 159: ...nt button b o c 3 After selecting the color to be adjusted press the Reprint button Ex Magenta c o d 4 The adjustment value can be adjusted in 8 steps between 4 and 4 After selecting a given number press the Reprint button d o e 5 Press the button to finish the adjustment work for Magenta d o e Repeat steps 3 to 5 for each color 6 Press the button to finish the DBV adjustment work e o f 39 FACTORY...

Page 160: ...res LCD Message 1 Press the Reprint button after selecting NVM TUNE UP a o b 2 After selecting CBV TUNE UP Code 5 press the Reprint button b o c 3 The adjustment value can be adjusted in 8 steps between 4 and 4 After selecting a given number press the Reprint button c 4 Press the button to finish the adjustment work for CBV c o d 39 FACTORY MODE NVM TUNE UP 45 NVM TUNE UP 45 CBV TUNE UP 432101234 ...

Page 161: ...ocedures LCD Message 1 Press the Reprint button after selecting NVM TUNE UP a o b 2 After selecting FBV TUNE UP Code 6 press the Reprint button b o c 3 The adjustment value can be adjusted in 8 steps between 4 and 4 After selecting a given number press the Reprint button c 4 Press the button to finish the adjustment work for FBV c o d 39 FACTORY MODE NVM TUNE UP 45 NVM TUNE UP 45 FBV TUNE UP 43210...

Page 162: ... NVRAM INITIAL Description of Procedures LCD Message 1 Press the Reprint button after selecting NVRAM INITIAL a o b 2 Select YES if NVRAM should be executed If not select NO Press the Reprint button so that the RAM INITIAL will be executed All the data will be cleared b o c 4 Following modes shall be executed to set the RAM data 43 MARGIN ADJUST 44 LIFE PERIOD SET 45 NVRAM TUNE UP 47 TOTAL PAGE SE...

Page 163: ...t one type of page from among TOTAL PAGE DPL PAGE b o c 2 Use the Back or Set button to select the desired digit Use the Reprint button to input values to the blinking digit Upon completing the input of the values use the Back or Set button to select SET displayed on the LCD and then press the Reprint button to store the set value c o d 39 FACTORY MODE TOTAL PAGE SET 47 TOTAL PAGE a b d 39 FACTORY...

Page 164: ...et in EACH IMAGE SET b o c 3 Use the Back or Set button to select the desired digit Use the Reprint button to input values to the selected blinking digit Upon completing the input of the values use the Back or Set button to select SET on the LCD and then press the Reprint button to store the set value c o d 4 Press the button to exit the EACH IMAGE SET mode d o e 39 FACTORY MODE EACH IMAGE SET 48 ...

Page 165: ... PL 16 Paper Discharger PD a o b 3 Designate or alter the figure with the Back or Set button b o c Use the Reprint button to input the number to the blinking figure for example 7800 After inputting the desired number 7800 as example move the cursor to SET with the Back or Set button Then press Reprint button to complete the registration of desired number 7800 as example c o d e 4 Press the button ...

Page 166: ...ill be required Adjustment Method 1 Execute GRID PRINT in Service Mode 2 Measure the position A and B of top margin Leading edge A B 2 d Specification Value 4 5 r 1 5mm 3 Measure the position C and D of left margin Left edge C D 2 d Specification Value 3 5 r 1 5mm 4 If the specification value is not met implement the adjustment i Execute 43 MARGIN ADJUST in the FACTORY MODE 5 After adjustment exec...

Page 167: ...he procedures set out in Section 2 3 Service Mode in this chapter 2 Select RAM TUNE UP mode 3 Select the desired TUNE UP mode 4 Adjust the preset value to the appropriate value step 5 Carry out a test print to confirm the print quality Subject TUNE UP Mode Mode Subject of Adjustment Purpose LP TUNE UP Adjustment of laser power Optical density THV TUNE UP Adjustment of transfer voltage Transfer eff...

Page 168: ...setting execute 34 TOTAL PAGE to confirm that the desired number of printouts in now set 3 4 4 Setting of Number of Images for Each Color The number of printouts for each color 4 colors is stored in the RAM Confirmation and setting of the number of images for each color can be carried out on the control panel Purpose Number of images for each color will be reset when changing the MCTL PWB 2 or exe...

Page 169: ... Default in ordinary case 43 MARGIN ADJUST Left Margin Set Value Default in ordinary case 44 LIFE PERIOD SET Life Period Set Value Default in ordinary case 45 LP TUNE UP Adjustment Value 0 in ordinary case 45 THV TUNE UP Adjustment Value 0 in ordinary case 45 DBV TUNE UP Adjustment Value 0 in ordinary case 45 CBV TUNE UP Adjustment Value 0 in ordinary case 45 FBV TUNE UP Adjustment Value 0 in ordi...

Page 170: ...CHAPTER VI 3 5 2 0 17 1 1 ...

Page 171: ...ning the OPC Belt Cartridge VI 12 1 2 5 Cleaning the Dustproof Glass in the Optical unit 2 VI 15 1 2 6 Cleaning the Printer Interior VI 16 1 3 Periodic Maintenance Parts and Maintenance Cycle VI 17 2 PERIODIC MAINTENANCE PROCEDURES VI 20 2 1 OPC Belt Cartridge Replacement VI 20 2 2 Fusing Unit Replacement VI 23 2 3 Transfer Roller 2 Replacement VI 27 2 4 Paper Discharger Unit Replacement VI 30 2 5...

Page 172: ... unplug the power code from the power outlet before commencing any work 3 Whenever any parts are replaced confirm that all the removed and replaced parts are re installed correctly prior to testing the printer 4 Read carefully and take note of any precaution or warning labels affixed to any parts 5 Unless otherwise specified follow exactly the reverse order of the disassembly procedures for re ass...

Page 173: ...lotted Screwdriver 1 For slotted head screw 5 Slotted Screwdriver 2 For slotted head screw 6 Long Nose Pliers For general use 7 Pincette For general use 8 Precision Driver Set 1 a 6 For general use 9 Gap gauge For gap adjustment 10 Pliers for C Ring C Ring 11 Ruler 150mm For general use 12 Slide Caliper 150mm For general use 13 Digital Meter DC1000V For general use 14 Handy Type Cleaner unique for...

Page 174: ...oner Cartridge C 1 piece Test Print 4 Toner Cartridge K 1 piece Test Print 5 Fuser Cleaner Oil Bottle 1 piece Test Print 6 OPC Belt Cartridge 1 piece Test Print 7 Recommended Paper A4 or letter 5 sheets Test Print 8 Recommended Paper Transparency 2 sheets Test Print 9 Cotton Cloth 10a15 pcs Cleaning 10 Cotton Swab 10a15 pcs Cleaning 11 Grease 10 grams M G PS265 12 Vinyl Bag 2 bags Disposal M G sta...

Page 175: ...ler 2 Paper Pick up Roller 2 Transfer Roller 2 3 Paper Discharger 4 OPC Belt Cartridge 5 Dustproof Glass of the Optical Unit 2 6 Printer Interior WARNING x Before starting any maintenance work make sure you have unplugged the power code from the power outlet x There is a risk of electric shock working on the printer with the power connected ...

Page 176: ... paper x Periodic maintenance 2 Transfer Roller 2 1 Open the transfer unit 2 2 Clean roller and surrounding area using a dry cloth 1 2 2 x Defective image x Smeared paper x Periodic maintenance 3 Paper Discharging Roller 1 Open the transfer unit 2 2 Remove the paper discharger unit 3 Clean the corona wire and case using a cotton swab 1 2 3 x Defective image x Paper jam x Periodic maintenance 4 OPC...

Page 177: ...sing a dry cloth and swab clean the dirt from the dust proof glass 1 2 5 x Defective image x Periodic maintenance 6 Printer Interior Unit 1 Remove the toner cartridges and OPC belt cartridge 2 Clean the printer s base using a toner vacuum cleaner and dry cloth 1 2 6 x Defective image x Periodic maintenance Note 1 If a periodic maintenance agreement has been made checks will be made at every period...

Page 178: ...tion Roller 2 Tools to Prepare Cotton cloth 2 a 3 pieces Cleaning Procedure 1 Turn off the remote switch and power supply and unplug the power code 2 Open the transfer unit 2 3 Using a cotton cloth clean the registration roller 2 incorporated in the transfer unit 2 to remove the paper dust Fig 6 1 CAUTION NEVER use alcohol or similar solvents for cleaning the registration roller 2 Transfer unit 2 ...

Page 179: ...nsfer unit 2 4 With the cotton cloth wipe off the stains such as paper dust adhered to the surface of paper pick up roller In this instance softly wipe the roller by manually rotating it slowly Fig 6 2 CAUTION x NEVER use alcohol or similar solvents for cleaning the paper pick up roller x Application of strong force to the paper pick up roller may result in the failure of misfeed Paper pick up rol...

Page 180: ...n Table 6 3 Tools to Prepare Cotton cloth 2 a 3 pieces Cleaning Procedure 1 Turn off the remote switch and power supply and unplug the power code 2 Open the transfer unit 2 3 Using a cotton cloth clean the transfer roller 2 Fig 6 3 CAUTION NEVER use alcohol or similar solvents for cleaning the transfer roller 2 Transfer unit 2 Transfer roller 2 ...

Page 181: ... 2 a 3 pieces Cleaning Procedure 1 Turn off the remote switch and power supply and unplug the power code 2 Open the transfer unit 2 3 Remove the paper discharger unit i Sliding AC charger to the arrow direction release it from the locking craw Fig 6 4 ii Pull the paper discharger unit upwards to remove it from the holder of the transfer unit 2 Fig 6 5 AC charger Locking craw Transfer unit 2 Paper ...

Page 182: ... cloth Fig 6 6 5 Clean the corona wire and the inside of the charger case with a cotton swab 6 Re install the charger unit into the transfer unit 2 Fig 6 7 CAUTION Do not break the corona wire while cleaning the paper discharger unit Cotton swab Corona wire ...

Page 183: ...t may be damaged x Do not directly touch the OPC belt surface with bare hands or gloves Tools to Prepare Cotton cloth 2 a 3 pieces Cleaning Procedure 1 Turn off the remote switch 2 Open the paper exit unit cover 2 and the paper exit front cover 2 3 Release the belt cartridge lock levers to pull out the OPC belt cartridge 4 Clean the OPC belt cartridge with a cotton cloth i Remove any toner on the ...

Page 184: ...orona wire x Make sure that the wire cleaner is returned to the home position as shown in Fig 6 9 after cleaning the corona wire Replacing the charge unit When the problem of print quality such as a blur in the image or lines still occur after cleaning the corona wire replace the charge unit following the procedures below Tools to Prepare 1 Protective sheet 1 piece 2 Cotton cloth 2 a 3 pieces Part...

Page 185: ...sides 4 Remove the charge unit from the OPC belt cartridge Fig 6 11 5 Clean the area where the charge unit is mounted 6 Install the new charge unit onto the OPC belt cartridge 7 Close the hooks at both sides to hold the charge unit CAUTION There remains the waste toner in the OPC belt cartridge Take care not to spill toner due to any shock or vibration Protective sheet Charger unit Waste toner fee...

Page 186: ...it cover 2 and the paper exit front cover 2 3 Remove the toner cartridges and the OPC belt cartridge 4 Remove the cover of the dust proof glass from the optical unit 2 5 Clean the surface of the dustproof glass with a cotton cloth and swab 6 Replace the dustproof glass by aligning the marks on the optical unit 2 and the dustproof glass ensuring it is locked correctly into place and cannot move CAU...

Page 187: ...e of the transfer drum 2 Tools to Prepare 1 Toner vacuum cleaner 2 Cotton cloth Cleaning Procedure 1 Turn off the remote switch and power supply and unplug the power code 2 Open the paper exit unit cover 2 and the paper exit front cover 2 3 Remove the toner cartridges and the OPC belt cartridge 4 Vacuum up toner scattered on the bottom of printer interior with a vacuum cleaner designed to handle t...

Page 188: ...VI 17 1 3 Periodic Maintenance Parts and Maintenance Cycle Maintenance Work should be implemented according to the Periodic Maintenance Parts and Maintenance Cycle set out in Table 6 4 ...

Page 189: ...1 Transfers the toner image from the transfer drum 2 onto the transported paper 2 3 120K prints 4 Paper Discharger 2 2 LJ3878001 Separates paper from the transfer drum 2 2 4 120K prints 5 Drum Cleaner 2 2 LJ3879001 Cleans residual toner from the transfer drum 2 2 5 120K prints 6 Ozone Filter E 2 LM0310001 Absorbs ozone 2 6 120K pages or 12 months whichever comes first 7 Paper Pick up Roller Separa...

Page 190: ...res are based on an average of 5 coverage of the printable area for one color using laser paper The frequency of replacement will vary depending on the complexity of the prints the percentage of coverage and the type of media Transparencies glossy coated paper and other specialty media will result in shortened consumable life 2 You can order these item as a 120K Kit include transfer roller 2 paper...

Page 191: ...ellow TONER EMPTY CMY Toner cartridge Cyan Magenta or Yellow FUSER OIL LOW Oil Bottle WASTE TONER Waste Toner Pack REPLACE FCR Fuser Cleaner OIL EMPTY Oil Bottle REPLACE OPC BELT OPC Belt Cartridge CHANGE FCR Fuser Cleaner REPLACE PF kit 1 Paper feeding roller separator pad REPLACE PF kit 2 Paper feeding roller separator pad REPLACE PF kit 3 Paper feeding roller separator pad REPLACE FUSER Fusing ...

Page 192: ...ridge Replacement Criterion of Replacement The OPC belt cartridge should be replaced with a new one at 60 000 images or 12 months whichever comes first When time is due for replacement of the OPC belt cartridge the following message appears on the control panel The display is blinked REPLACE OPC BELT 35 87 21 x Do not directly touch the OPC belt surface with bare hands or gloves x If the belt is e...

Page 193: ... belt cartridge Fig 6 15 5 Prepare a new belt cartridge Pull and remove the tension release pins from both sides left right and then remove the protective sheet from a new OPC belt cartridge Fig 6 16 Belt cartridge lock levers OPC belt cartridge Protective sheet Tension release pin OPC belt cartridge ...

Page 194: ...er 2 9 Turn on the printer 10 The printer starts the warming up process 11 Press any of the Menu buttons Set or Back to take the printer Off Line 12 Press or until RESET MENU appears 13 Press Set to proceed to the next menu level and then press or until PARTS LIFE appears 14 Press Set and then press until OPC BELT appears 15 Press Set and then press Go The printer is now in the READY state OPC bel...

Page 195: ...he display is blinked REPLACE FUSER Purpose of Replacement To prevent the print quality from declining due to the deterioration of the fixing unit s fuser rollers WARNING The fusing unit and its surrounding area are very hot Make sure prior to starting the replacement work that the fusing unit and its surrounding area are well cooled down otherwise you may get burned Necessary Tools and Replacemen...

Page 196: ...ply unplug the power code from the power outlet 2 Open the paper exit unit cover 2 3 Slacken the two securing screws securing the fusing unit 4 Holding the handles at both ends of the fusing unit and remove the fusing unit from the printer 5 Remove the oil bottle and the fuser cleaner Fig 6 19 Screw ...

Page 197: ...wing the procedure below Failure to do so will cause severe damage to the printer i Absorb the oil with the supplied syringe ii After absorbing the oil stuff the soft paper into the oil pan so that no oil leakage occurs Fig 6 20 Sequence of Replacement 1 Prepare a new fusing unit before starting the replacement work 2 Return the roller tension release levers at both sides to the direction of the a...

Page 198: ... the power outlet and turn on the printer 3 Upon completion of the warming up process 4 Press any of the Menu buttons Set or Back to take the printer Off Line 5 Press or until RESET MENU appears 6 Press Set to proceed to the next menu level and then press or until PARTS LIFE appears 7 Press Set and then press until FUSER UNIT appears 8 Press Set and then press Go The printer is now in the READY st...

Page 199: ...appears on the control panel The display is blinked REPLACE 120K KIT Purpose of Replacement To prevent the transfer efficiency declining due to deterioration of the transfer roller 2 Necessary Tools and Replacement Materials 1 Two or three pieces of cotton cloth for cleaning 2 Transfer roller 2 one unit Work Procedures Sequence of Disassembling 1 After turning off the remote switch and power suppl...

Page 200: ...er i Prepare a new transfer roller 2 ii Hold the lock levers at both sides and align both ends of the shaft to the slit on the transfer base iii Push the transfer roller 2 shaft into the slit and place the bearing of the roller onto the spring Ensure that the spring is not bent as shown in Fig 6 25 iv Fix the transfer roller 2 by pulling down the lock levers at both sides to the arrow direction B ...

Page 201: ...n of the warming up process 4 Press any of the Menu buttons Set or Back to take the printer Off Line 5 Press or until RESET MENU appears 6 Press Set to proceed to the next menu level and then press or until PARTS LIFE appears 7 Press Set and then press until 120K KIT appears 8 Press Set and then press Go The printer is now in the READY state ...

Page 202: ...e control panel The display is blinked REPLACE 120K KIT Purpose of Replacement To prevent the discharging efficiency from declining due to deterioration of the paper discharger unit PRECAUTION Do not touch the corona wire of the paper discharger unit Necessary Tools and Replacement Materials 1 Two or three pieces of cotton cloth for cleaning 2 Paper discharger one unit Work Procedures Sequence of ...

Page 203: ... this time Fig 6 27 Sequence of Assembling 1 Close the transfer unit 2 2 Plug the power code into the printer and turn on the printer 3 Upon completion of the warming up process 4 Press any of the Menu buttons Set or Back to take the printer Off Line 5 Press or until RESET MENU appears 6 Press Set to proceed to the next menu level and then press or until PARTS LIFE appears 7 Press Set and then pre...

Page 204: ...EPLACE 120K KIT Purpose of Replacement To prevent the cleaning efficiency from declining due to deterioration of the drum cleaner 2 PRECAUTION When installing the drum cleaner 2 firstly locate the bearing and the bias pole into the contacts Reconfirm this connection prior to testing the printer Necessary Tools and Replacement Materials 1 Two or three pieces of cotton cloth for cleaning 2 Drum clea...

Page 205: ...he two hooks Fig 6 28 2 Pull the drum cleaner 2 upwards to remove both ends of the cleaner from the bearings 3 Holding the handle located on the top of the drum cleaner 2 lift the cleaner to remove it Fig 6 29 Cleaner cover Paper exit unit cover Hook Handle Drum cleaner 2 ...

Page 206: ...Assembling 1 Install the drum cleaner cover 2 Close the paper exit unit cover 2 3 Plug the power code into the printer and turn on the printer 4 Upon completion of the warming up process 5 Press any of the Menu buttons Set or Back to take the printer Off Line 6 Press or until RESET MENU appears 7 Press Set to proceed to the next menu level and then press or until PARTS LIFE appears 8 Press Set and...

Page 207: ...ld be replaced with a new filter every 12 months otherwise it may cause an offensive smell Necessary Tools and Replacement Materials No special tools and equipment are necessary for the replacement of the ozone filter Work Procedure 1 Remove the ozone filter case provided at the rear of the side cover R 2 2 Remove the ozone filter from the ozone filter case 3 Install a new ozone filter to the filt...

Page 208: ... also should be replaced when paper feed jams occur Work Procedure 1 Whenever paper feed jams occur confirm the cause by following the information in Section 3 of Chapter VIII 2 If the paper jam still occurs replace the paper pick up roller and separator pad 2 referring to Section 4 6 6 of Chapter VII Fig 6 32 CAUTION x This is one of the periodic replacement items not customer service It should b...

Page 209: ...d when an image failure occurs due to transfer drum 2 damage Work Procedure 1 Whenever an image failure occurs confirm the cause by following the information in Section 5 of Chapter VIII 2 If the image failure still occurs replace the transfer drum 2 referring to Section 4 1 12 of Chapter VII Fig 6 33 CAUTION x This is one of the periodic replacement items not customer service It should be impleme...

Page 210: ...CHAPTER VII 6 66 0 ...

Page 211: ...Cover 2 VII 13 4 1 8 SL2 PS Fan ASSY VII 14 4 1 9 Interlock Switch Top VII 15 4 1 10 Drum Cleaner 2 VII 15 4 1 11 Waste Toner Feeder Unit Belt Sensor PBS VII 16 4 1 12 Transfer Drum 2 VII 17 4 1 13 WT U Spring DEV Drive Gear 2 VII 18 4 1 14 Erase Lamp VII 19 4 1 15 SL3 Paper Guide D VII 19 4 2 Right Side of the Printer VII 20 4 2 1 Base Cover R 2 VII 20 4 2 2 IOD2 PWB 2 with Base VII 21 4 2 3 TR C...

Page 212: ...ner Key Sensor 2 TNK VII 47 4 3 15 Belt Sensor DPJ Oil Sensor OIL VII 48 4 4 Paper Exit Unit VII 49 4 4 1 Paper Exit Unit Cover 2 Paper Exit Front Cover 2 VII 49 4 4 2 Cooling Fan EX 2 VII 51 4 4 3 Paper Sensor F CL VII 52 4 4 4 Paper Sensor EXF VII 52 4 4 5 Discharging Brush VII 53 4 4 6 Paper Exit Roller VII 53 4 4 7 P EX Switch Guide VII 54 4 4 8 Paper Sensor PT2 VII 55 4 5 Front of the Printer...

Page 213: ...econnected correctly to the earth mark 6 Ensure that the type and length of screws removed during replacement of maintenance parts is noted and the correct screws are used during re assembly See Table 7 1 7 Do not use any solvent such as alcohol for the maintenance of this printer 8 Confirm that all the parts and covers are installed or assembled correctly before starting the test run after replac...

Page 214: ... parts To be used for flame and fuser connector Fan case Optical Unit For fuser wiring For GND 10mm 6mm 10mm 6mm 6mm BT4 x 8 BT4 x 10 ST3 x 6 ST4 x 6 ST4 x 10 F3 x 6 F3 x 10 M3 x 6 M4 x 6 Name of Scerw Cross recessed head tapping screw Cross recessed head with flange Cross recessed head screw with washer Cross recessed head screw Brass S tight screw Length Sharp Remarks M Threed TS Size and shape ...

Page 215: ...ont cover 2 4 5 2 Media Cassette Base Cover L 2 4 3 3 Control Panel Controller Box Rear Cover 2 4 3 9 Paper Exit Unit Cover 2 4 4 1 Upper Side Cover L 2 4 1 2 Side Cover R 2 4 1 4 Base cover R 2 4 2 1 Cleaner Cover Rear Cover U 2 4 3 9 Transfer Unit 2 4 6 1 Side F Cover L Side Cover L 2 4 3 2 ...

Page 216: ...4 1 14 High voltage Power Supply PCB HVU 4 3 6 Cooling Fan OZ DC Power Supply PCB LVPS 4 3 10 Developer Motor 2 4 2 9 IOD1 PWB 2 4 1 6 IOD2 PWB 2 4 2 2 Scanner Motor MCTL PWB 2 4 3 4 Main motor 2 4 2 8 SL2 PS Fan ASSY 4 1 8 Cooling Fan EX 2 4 4 2 BRNET PCB UNIT 4100H MAIN PCB ASSY HL 2600CN ...

Page 217: ...4 4 8 Developer clutch 2 M 4 2 12 Paper Pick up Clutch PCLU 4 2 14 Registration Clutch RECL 4 2 7 TR Cam Clutch 3 TRCM 4 2 6 Cleaner Clutch 3 FBCL 4 2 5 Paper Size Sensor PSU 4 3 12 Paper Sensor P EN 4 6 4 OHP Sensor 3 4 6 4 Paper Sensor PT1 4 6 5 Paper Sensor EXF 4 4 4 Paper Sensor F CL 4 4 3 Developer Position Sensor Interlock Switch Front 4 1 7 Waste Toner Sensor WTS Toner Key Sensor 2 TNK 4 3 ...

Page 218: ... 4 2 17 Waste Toner Feeder U 2 4 2 18 Base Cover R 2 2 Right 4 2 1 Base Cover L 2 Video Controller PCB MCTL PWB 2 Fuser Connector 2 High Voltage Unit 2 3 Left 4 3 1 4 3 2 4 3 3 4 3 4 4 3 5 Paper Sensor D EN 4 3 7 FP Cassette Guide Sel L R 4 3 10 Toner Sensor ASSY TTR 4 3 11 Toner Key Sensor 2 TNK 4 3 13 Belt Sensor DPJ Oil Sensor OIL 4 3 14 4 3 15 TR Terminal Base ASSY Interlock Switch Rear 4 3 6 ...

Page 219: ...VII 7 6 66 0 352 85 4 1 Top of the Printer 4 1 1 BC Lock Lever 1 Remove the set screws 2 pcs to remove the BC lock levers at the right and left hand sides Fig 7 7 BC lock lever BC lock lever ...

Page 220: ...xit unit 2 2 Remove the set screw BT4X8 securing the side cover L 2 Fig 7 8 3 Press the exterior of the side cover inwards L and unlock the hooks three locations from the side cover L 2 Fig 7 9 Hook Side Cover L 2 Paper exit unit 2 Upper side cover L 2 ...

Page 221: ...ASSY and panel base from the printer Fig 7 10 3 Remove the set screw BT4X10 1 pc to remove the panel case ASSY from the panel base 4 Remove the set screws BT3X12 4 pcs to remove the panel shield plate panel PWB and panel button from the panel case ASSY Fig 7 11 Hook Panel case ASSY Hook Panel case ASSY Panel button Panel PWB Panel base Panel shield plate ...

Page 222: ...1 pc of side cover R 2 at the rear of the printer Fig 7 12 2 Slide the side cover R 2 in the direction of the arrows as shown in Fig 7 13 3 Remove the side cover R 2 by releasing the two hooks Fig 7 13 Side Cover R 2 Front cover 2 Unit 1 Side Cover R 2 Hook 2 ...

Page 223: ...1 2 Remove the top cover ASSY 2 from the printer Fig 7 14 3 Push the paper stopper set up from the back side of the top cover ASSY 2 to remove the paper stopper set 4 Remove the set screw BT3X8 1 pc and remove the P EX button from the top cover ASSY 2 Fig 7 15 Top cover ASSY 2 Paper stopper set Top cover ASSY 2 P EX button ...

Page 224: ...printer 2 Disconnect all the harness connectors 15 pcs connected to the IOD1 PWB 2 3 Remove the set screws ST3X6 6 pcs to remove the IOD1 PWB 2 from the printer Fig 7 16 PRECAUTION When handling the IOD1 PWB 2 take care that no damage is caused due to electrostatic charges Shield upper IOD1 PWB 2 ...

Page 225: ...Y from the printer 2 Disconnect the connector Fig 7 17 3 Release the two hooks and remove the interlock switch from the SW base F Fig 7 18 CAUTION Since the interlock switch is an important safety item after installation confirm that the switch operates correctly SW ASSY Interlock switch Hook SW base F ...

Page 226: ...om the PS fan ASSY 2 Remove the set screw FT3X6 1 pc to remove the SL2 PS fan ASSY from the printer Fig 7 19 3 Remove the tape to remove the PS fan case and PS fun duct from the cooling fan EX 2 Fig 7 20 SL2 PS fan ASSY PS fan duct Cooling fan EX 2 PS fan case ...

Page 227: ...ty item after installation confirm that the switch operates correctly Fig 7 21 4 1 10 Drum Cleaner 2 1 Push the two hooks on the cleaner cover backwards to release them and remove the cleaner cover 2 Remove the drum cleaner 2 by pushing the handle backwards until it releases from the contacts at the left and right hand ends then lift out the drum cleaner assembly Fig 7 22 PS fan case Drum cleaner ...

Page 228: ...Remove the set screws ST3X6 2 pcs from the waste toner feeder unit 2 Remove the waste toner feeder unit complete with the belt sensor 3 Unclip and remove the belt sensor from the waste toner feeder unit Fig 7 23 Waste toner feeder unit Belt Sensor Hook Hook ...

Page 229: ...orts 5 Pull up and remove the transfer drum 2 from the top of the printer Note x For easier removal push the drum upwards and diagonally forwards x When re assembling the transfer drum 2 slide the drum shaft between the metal plates and ensure the drum is fully located into the correct retaining position PRECAUTION Do not touch the transfer drum 2 surface with your bare hands or scratch it Protect...

Page 230: ...ear base Fig 7 25 2 Remove the set screw 1 pc to remove the gear and gear holder from the shaft 3 Remove the end of the WT U spring from the shaft of the frame to remove the WT U spring from the frame Fig 7 26 C ring DEV drive gear 2 DEV drive gear 2 DEV drive gear 2 DEV drive gear 2 Gear WT U spring Gear holder ...

Page 231: ...r 2 Disconnect the connector of the erase lamp Fig 7 27 4 1 15 SL3 Paper Guide D 1 Release the two hooks of the SL3 paper guide D 2 Slide the SL3 paper guide D upwards and remove it from the frame Fig 7 28 Erase Lamp SL3 paper guide D Hook Erase holder Erase holder 1 2 SL3 paper guide D ...

Page 232: ...it is fitted it will be necessary to remove the lower tray clamp screw and locking bar to release the base cover R 2 Fig 7 29 PRECAUTION x When assembling the base cover insert the leading edge of the base cover R 2 into the hook provided at the bottom left and right of the base plate x Ensure that projecting part of the base cover R 2 goes into the hole in the base plate bottom Base cover R 2 ...

Page 233: ...guide 3 Remove the set screws ST3X6 2 pcs to remove the IOD2 PWB 2 with base from the printer 4 Remove the set screws ST3X6 4 pcs to remove the IOD2 PWB 2 from the base PRECAUTION When handling the IOD2 PWB 2 take care not to cause electrostatic damage to the PWB Fig 7 30 Fig 7 31 IOD2 PWB 2 with base IOD harness guide IOD2 PWB 2 Base ...

Page 234: ...4 Fixing Clutch FUCL 1 Remove the outer plastic C ring from the shaft 2 Pull out the fixing clutch FUCL from the shaft 4 2 5 Cleaner Clutch 3 FBCL 1 Remove the outer plastic C ring from the shaft 2 Pull out the cleaner clutch 3 FBCL from the shaft Fig 7 32 TR cam clutch 3 FBCM Cleaner clutch 3 FBCL C ring Fixing clutch FUCL C ring C ring ...

Page 235: ...from the shaft 2 Pull out the TR cam clutch 3 TRCM from the shaft 4 2 7 Registration Clutch RECL 1 Remove the outer plastic C ring from the shaft 2 Pull out the registration clutch RECL from the shaft Fig 7 33 TR cam clutch 3 TRCM Registration clutch RECL C ring C ring ...

Page 236: ... the main motor 2 PCB 2 Remove the screws ST3X6 4 pcs holding the main motor 2 to the BD gear ASSY 2 3 Remove the main motor 2 from the BD gear ASSY 2 4 Remove the screws ST3X6 3 pcs holding the BD gear ASSY 2 5 Remove the BD Gear ASSY 2 Fig 7 34 Main motor 2 BD Gear ASSY 2 ...

Page 237: ... PCB when removing the connector or handling the motor PCB assembly 1 Remove the connector 1 pc from the developer motor 2 PCB 2 Remove the set screws ST3X6 4 pcs holding the developer motor 2 to the developer drive unit 2 3 Remove the developer motor 2 Fig 7 35 Developer motor 2 ...

Page 238: ...VII 26 4 2 10 Main Gear Unit 2 1 Remove the screws ST3X6 4 pcs to remove the main gear unit 2 from the printer Fig 7 36 Main gear unit 2 ...

Page 239: ...s to release the lower hook 4 Remove the set screw ST3X6 1 pc to remove the WT holder ASSY 2 from the frame Fig 7 37 4 2 12 Developer Clutch 2 C M Y K 1 Remove the outer plastic C ring of each developer clutch 2 from the shaft 2 Pull out the developer clutch 2 from the shaft Fig 7 38 Plastic tube WT holder ASSY 2 Front cover 2 Cover FR Lower hook Developer clutch 2 C ring ...

Page 240: ...cable harness to the top of cooling fan OZ 2 Remove the set screw F3X6 1 pc from the fan case assembly 3 Remove the fan case assembly from the printer Fig 7 39 4 Remove the cooling fan OZ from the fan case Fig 7 40 Fan case Cooling fan OZ Fan case assembly Tape ...

Page 241: ...lastic cover and remove the cover 2 Remove the screws ST3X8 3 pcs and BT4X8 1 pc to remove the ozone fan duct and stay R Fig 7 41 3 Remove the outer plastic C ring from the shaft 4 Remove the paper pick up clutch from the shaft Fig 7 42 Ozone fan duct Stay R C ring Paper pick up clutch ...

Page 242: ...he frame Fig 7 43 4 2 16 Toner Sensor ASSY TPD 1 Remove the set screws ST3X6 2 pcs from the toner sensor ASSY 2 Disconnect the connector to the toner sensor ASSY Note If the optional lower tray unit is fitted remove the left hand screw of the front cross rail to release the media cassette guide Fig 7 44 Developer drive unit 2 Toner Sensor ASSY TPD ...

Page 243: ...18 Waste Toner Feeder U 2 Note The waste toner feeder L is composed of plastic tube and auger spring gear unit 1 Remove the set screw ST3X6 1 pc to remove the waste toner feeder plate from the frame 2 Pull the waste toner feeder U 2 out of the printer Fig 7 46 Waste toner feeder U 2 Waste toner feeder plate FP2 gear ASSY ...

Page 244: ...itch and unplug the power cable from the outlet x Remove the interface cable connector 1 Remove the two screws to remove the main controller board from the printer Fig 7 47 2 Remove the two screws securing the NC 4100h and remove the NC 4100h by pulling it upwards Fig 7 48 Main controller board NC 4100h ...

Page 245: ... of the main PCB base plate 5 Remove the CPU heatspred 6 Remove the sheet GP1 2 0 025025Y 7 Remove the two screws on the CDCC IF 8 Remove the two screws to remove the main PCB base plate Fig 7 49 CPU heatspred GP1 2 0 025025Y DIMM CDCC IF Main PCB base plate ...

Page 246: ... 2 Side Cover L 2 1 Remove the set screw BT4X8 2 pcs of side cover L 2 2 Remove the side cover L 2 Slowly pull up the side cover L 2 and release the hook from the front of the Upper cover Fig 7 50 Side cover L 2 ...

Page 247: ...e the lower tray clamp screw and locking bar to release the base cover R For further information refer to the User Guide Fig 7 51 PRECAUTION x When re assembling the base cover insert the leading edge of the base cover L 2 into the hook provided at the bottom left and right of the base plate x Ensure that the projecting part of the base cover L 2 goes into the hole in the base plate bottom Base co...

Page 248: ...the shield cover B as shown in Fig 7 49 to release the three hooks and remove the shield cover B from the printer PRECAUTION x Read the internal RAM counter information from the MCTL PWB 2 prior to replacing the MCTL PWB 2 x When handling the MCTL PWB 2 ensure that no damage is caused due to electrostatic charges Fig 7 52 Shield cover B Hook ...

Page 249: ...VII 37 2 Disconnect all the harness connectors 8 pcs connected to the MCTL PWB 2 3 Remove the set screws ST3X6 4 pcs to remove the MCTL PWB 2 from the frame Fig 7 53 MCTL PWB 2 ...

Page 250: ...o remove the shield cover A from the shield case ASSY 2 Remove the set screw BT4X10 1 pc to remove the side F cover L from the frame 3 Remove the set screws BT3X6 4 pcs to remove the shield case ASSY from the frame Fig 7 54 Side F cover L Shield case ASSY Shield cover A ...

Page 251: ... connectors connected to the power supply unit 5 Remove the set screws M4X10 2 pcs to remove the fuser connector 2 from the frame The set screw of the fuser connector 2 is unique Fig 7 55 Fuser connector 2 PN connector PU connector ...

Page 252: ...BT3X8 8 pcs from the high voltage unit 2 3 Remove the high voltage unit 2 from the frame Fig 7 56 WARNING The high voltage power supply unit generates high voltages of up to 5KV You can get an electric shock if you touch the unit while it is powered on Turn on the power to the unit only after having refitted and secured side cover L 2 High voltage unit 2 ...

Page 253: ...nal base ASSY from the printer 3 Disconnect the harness connector 1 pc connected to the interlock switch 4 Remove the interlock switch from the TR terminal base ASSY Fig 7 57 CAUTION Since the interlock switch is an important safety item after installation confirm that the switch operates correctly TR terminal base ASSY Interlock switch ...

Page 254: ...to remove the paper sensor D EN from the frame Fig 7 58 4 3 9 Rear Cover 2 Rear Cover U 2 1 Remove the set screw BT4X8 1 pc of rear cover 2 2 Remove the rear cover 2 from the frame 3 Push the two hooks downwards to release them and remove the rear cover U 2 from the frame Fig 7 59 Hook Hook Rear cover U 2 Rear cover 2 Hook Paper sensor D EN ...

Page 255: ... 3 10 Power Supply Unit SW Button 1 Disconnect all the harness connectors connected to the power supply unit 2 Remove the set screws ST3X6 2 pcs to remove the bottom stay L from the frame Fig 7 60 Bottom stay L ...

Page 256: ...s 5 Remove the set screws ST3X6 4 pcs to remove the power supply unit from the frame two hooks at bottom Fig 7 61 WARNING The earthing wire is very important for the safety of users Upon replacement of the power supply unit confirm that the earthing wire green and yellow color is securely connected to the connector SW button SW unit Power supply unit Hook Hook ...

Page 257: ... and release the plastic catches 4 pcs Disconnected the cable to remove the FP cassette guide L from the frame 4 Remove the set screw ST3X8 1 pc from the FP cassette guide R assembly 5 Move the FP cassette guide R to the direction of the arrow as shown in the figure below and release the plastic catches 4 pcs Disconnected the cable to remove the FP cassette guide R from the frame Fig 7 62 Note Whe...

Page 258: ...VII 46 4 3 12 Paper Size Sensor 2 PSU 1 Remove the set screws ST3X8 2 pcs to remove the paper size sensor 2 from the FP cassette guide L Fig 7 63 FP cassette guide L Paper size sensor 2 RT sensor ...

Page 259: ...screws ST3X6 2 pcs from the toner sensor 2 Disconnect and remove the toner sensor Fig 7 64 4 3 14 Toner Key Sensor 2 TNK 1 Remove the set screws ST3X6 2 pcs to remove the toner key sensor 2 from the frame Fig 7 65 Toner Sensor ASSY TTR Toner key sensor 2 ...

Page 260: ...release the one hook by lifting the oil sensor cover slightly Fig 7 66 2 Remove the set screw ST3X6 2 pc to remove the oil sensor from the frame 3 Release the two hooks to remove the belt sensor from the frame Fig 7 67 Hook Hook Oil sensor cover Oil sensor Belt sensor Hook Hook ...

Page 261: ...ks to the direction of the arrow as shown in the figure below and remove the P EX harness cover from the printer 3 Disconnect the cable harness 4 Remove the support pin SP4X3 2 pcs from both sides of the frame to remove the paper exit unit from the frame Fig 7 68 1 2 3 4 Hook Hook P EX harness cover Cable harness Paper exit unit cover 2 ...

Page 262: ...cover 2 from the paper exit unit to remove it 6 Remove the set screws 2 pcs to remove the P EX frame holders R L from the paper exit cover 2 Fig 7 69 7 Remove the set screws 4 pcs to remove the P EX frame ASSY from the paper exit cover 2 Fig 7 70 Paper exit cover 2 Paper exit front cover 2 P EX frame holders R P EX frame holders L Paper exit cover 2 P EX frame ASSY ...

Page 263: ...s 3 pcs and disconnect the harness connector of the cooling fan EX 2 to remove the cooling fan EX 2 from the P EX frame assembly Fig 7 71 Note When assembling the cooling fan EX 2 be sure that the motor face attached the rating label is set to the outside P EX frame assembly Cooling fan EX 2 Paper exit filter with case ...

Page 264: ... the FCS cover ASSY 2 Disconnect the harnesses connector connected to the paper sensor F CL Fig 7 72 4 4 4 Paper Sensor EXF 1 Disconnect the harnesses connector connected to the paper sensor EXF 2 Release the three hooks to remove the paper sensor EXF from the P EX frame ASSY Fig 7 73 Paper sensor EXF Hook Hook Paper sensor F CL FCS cover ASSY Hook Hook ...

Page 265: ...ON Do not deform the fur brush of the discharger brush Fig 7 74 4 4 6 Paper Exit Roller 1 Remove the C ring and plastic bush from the left and right hand sides 2 Remove the shaft support at both sides 3 Remove the paper exit roller from the paper exit guide Fig 7 75 Discharger brush C ring Plastic bush Plastic bush C ring Paper exit roller Plastic retainer ...

Page 266: ...sensor base from the paper exit frame ASSY Fig 7 76 2 Remove the P EX switch spring from the paper exit frame and P EX switch guide 3 Bend the P EX switch guide slightly to remove it from the paper exit frame Fig 7 77 paper exit sensor base P EX switch guide P EX switch spring Paper sensor PT2 ...

Page 267: ...BT3X8 2 pcs to remove the guide from the paper exit sensor base 2 Disconnect the harnesses connector connected to the paper sensor PT2 3 Release the three hooks to remove the paper sensor PT2 Fig 7 78 paper exit sensor base guide Paper sensor PT2 Hook Hook ...

Page 268: ...5 Front of the Printer 4 5 1 Optical Unit 2 1 Open the front cover 2 2 Release the two hooks at the front and three hooks at the top to remove the inner cover C from the printer Fig 7 79 Inner cover C Hook Hook ...

Page 269: ...e is a class IIIb laser within the optical unit 2 Do not attempt to disassemble the laser x The optical unit 2 is replaced as a complete unit No adjustment is required to the replacement optical unit 2 x Confirm that all the covers have been correctly installed prior to any test run or operation in order to prevent any laser radiation escaping from the printer Optical unit 2 ...

Page 270: ...cover unit 2 2 Release the four hooks to remove the front cover 2 from the front cover unit 2 Fig 7 81 4 5 3 Front Cover Catch 1 Release the hook to remove the front cover catch from the front cover unit 2 Fig 7 82 Front cover catch Front cover unit 2 Front cover 2 Hook Hook Hook ...

Page 271: ...emove the FD2 arm ASSY from the front cover unit 2 2 Remove the set screw ST3X6 1 pc of the FD arm ASSY 3 Incline the FD arm ASSY toward you and release the hook to remove the FD arm ASSY from the printer Fig 7 83 Front cover unit 2 FD2 arm ASSY Hook ...

Page 272: ...ront cover unit 2 watch out the rebound of spring x In above instance holding the fixture of hinge remove the hook from the frame 4 Open the front cover unit 2 Incline the front cover unit 2 upwards while holding the hinge bases 2 L R to release the hooks of the hinge bases 2 L R Then remove the front cover unit 2 from the printer Fig 7 85 Front cover unit 2 Hook Front cover unit 2 Hinge base 2 L ...

Page 273: ...ase 2 2 Remove the hinge base 2 from the front cover unit 2 Fig 7 86 3 Remove the pin 1 pc of the bearing to remove the two bearings and spring from the hinge base 2 4 Remove the hinge base 2 at the other side as well Fig 7 87 shaft Hinge base 2 C ring Hinge base 2 spring Bearing Bearing Pin ...

Page 274: ...r cover from the front unit base 2 Remove the set screws BT4X10 4 pcs to remove the DE solenoid ASSYs and developer cam ASSY from the front unit base 3 Remove the developer cam ASSYs 4 pcs from the DE solenoid ASSY Fig 7 88 Front unit base DE solenoid ASSY developer cam ASSY Front inner cover ...

Page 275: ...emove the end of the TR3 rear band being attached to the frame as shown in the figure below 3 Remove the set screw ST3X6 1 pc to remove the TR3 hinge support from the printer 4 Remove the transfer unit 2 from the printer Fig 7 89 TR3 rear band Transfer unit 2 1 2 3 4 TR3 hinge support ...

Page 276: ...emove the transfer unit 2 cover 2 from the transfer unit 2 Fig 7 90 Note When assembling the transfer unit cover 2 onto the transfer unit 2 push the lever of the transfer unit 2 and put the lever on the back side of the transfer unit 2 into the square hole on the transfer unit cover 2 TR3 rear band Transfer unit cover 2 Transfer unit 2 ...

Page 277: ...m both ends of the roller 2 Remove the gear from the shaft right hand side 3 Remove the plastic bushes at both ends 4 Remove the shaft support from the frame while pressing down on the pressure roller to release the pressure from the registration roller 2 5 Remove the registration roller 2 Fig 7 92 Transfer roller 2 Transfer lock lever C ring C ring Gear Plastic bush Plastic bush Transfer unit 2 T...

Page 278: ...er 2 Remove the set screws BT3X6 2 pcs to remove the paper guide UL ASSY 2 3 Disconnect the connectors 2 pcs Fig 7 93 4 Release the three hooks to remove the paper sensor P EN 5 Remove the set screws BT3X8 2 pcs to remove the OHP sensor 3 Fig 7 94 Paper guide L Paper guide UL ASSY 2 OHP sensor 3 Paper sensor P EN Hook Hook ...

Page 279: ...e the paper pick up roller to the direction of the arrow in the figure below to remove it 2 Move the separator pad 2 to the direction of the arrow in the figure below to remove it Fig 7 96 PRECAUTION x Do not touch the surface of the paper pick up roller and separator pad 2 x Never remove the torque screws indicated in the figure above Separator pad 2 Paper pick up roller Hook Hook Paper sensor PT...

Page 280: ...get burned when touching hot areas x The fusing unit contains silicone oil Take care not to spill the silicone oil especially on the floor as the floor will become very slippery and dangerous 1 Remove the set screw ST3X6 1 pc to remove the fuser cover R from the fusing unit 2 Remove the set screw ST3X6 1 pc to remove the fuser cover L from the fusing unit 3 Remove the set screws ST3X6 2 pcs to rem...

Page 281: ...guide from the fusing unit Fig 7 98 9 Remove the set screws ST3X6 2 pcs to remove the heater wire white from the fusing unit 10 Remove the set screw ST3X6 1 pcs from the left hand side of the terminals on each of the fusing heater 2 2pcs 11 Remove the set screws ST3X6 2 pcs to remove the lamp holders 2 pcs 12 Remove the fusing heaters 2 2 pcs then remove the heater wire Fig 7 99 Oil pan unit 2 Low...

Page 282: ...e below Fig 7 100 14 Remove the back up roller 2 from the fusing unit 15 Remove the C ring from the gear to remove the gear FU BR 2 16 Remove the ball bearing FU2 2 pcs from the back up roller 2 Fig 7 101 Fusing unit C ring Ball bearing FU2 Ball bearing FU2 Back up roller 2 Gear FU BR 2 ...

Page 283: ...e Crings on both ends of the fusing roller 2 20 Remove the gear FU BR 2 and FU2 gear 63 21 Remove the C rings at both sides 22 Remove the ball bearing FU2 2 pcs from the fusing roller 2 Fig 7 102 Fusing roller 2 Release lever L Release lever R C ring C ring FU2 gear 63 Ball bearing FU2 Ball bearing FU2 Gear FU BR 2 ...

Page 284: ...he surface of the heater lamp with your hands the small traces of oil you leave on the lamp will affect the life of the lamp x The wattage of the heater lamp is different between the fuser roller and the back up roller The wattage is marked on the insulator of the lamp electrode Fuser roller 560W Back up roller 420W Note When installing the new fusing unit into the printer you have to wait approxi...

Page 285: ...and back up roller 2 ensure to assemble the ball bearing FU2 correctly referring to the figures above C ring Gear FU BR 2 Ball bearing FU2 Fusing roller 2 FU2 gear 63 C ring C ring C ring Frame Frame Ball bearing FU2 Back up roller 2 Frame Frame C ring Gear FU BR 2 ...

Page 286: ... 37 5 9 7528 6 227 1 ...

Page 287: ... 7528 6 227 1 9 287 1 2 7528 6 227 1 9 23 5 725 9 9LGHR RQWUROOHU 0RGH 9 QJLQH RQWUROOHU 0RGH 9 3 3 5 75 163257 5525 9 HHG DP 9 QQHU DP 9 2XWHU DP 9 2WKHUV 9 6 59 9 9LGHR RQWUROOHU 0RGH 9 QJLQH RQWUROOHU 0RGH 9 0 85 9 ...

Page 288: ...ler itself use the Engine Controller Mode information as it may be easy to understand the cause of the problem because the Engine Controller mode can separate the problem in the video controller from the printing operations The error messages used in the Video Controller Mode basically contain the same ones that are used in the Engine Controller Mode All error status messages are displayed in the ...

Page 289: ... 5 Turn on the power while holding down the Mode Back and Set buttons after turning off the main switch Turn on the power after turning off the printer Section 2 2 Is power supply operating normally Check power cable Section 4 2 Section 4 1 HV Enter the Engine Controller Mode 3UREOHP 5HSHDW No HV Engine Controller Mode Video Controller Mode ...

Page 290: ...sage Remarks TONER EMPTY X Replace the X toner cartridge X C M Y K NO TONER X Install the X toner cartridge X C M Y K COVER OPEN Close the Front Cover COVER OPEN Close the Top Cover COVER OPEN Close the Rear Access Cover COVER OPEN Close the Lower Feeder Unit Cover COVER OPEN Close the Duplex Unit Cover JAM X Refer to the diagram and check the location Remove the jammed paper X A1 A2 B C D E1 E2 N...

Page 291: ...ansparencies Thick Paper SIZE MISMATCH Paper mismatch between the Printer and the Printer Driver setting Load Paper size size into Tray 1 2 MANUAL FEED Load paper size into tray1 and press GO MEDIATYPE ERROR Specify the correct media type XX XX T1 T2 DX NO FUSING UNIT A fusing Unit was not detected please install one CARD ERROR An error when accessing the Flash card check the drive is formatted an...

Page 292: ...inter FONT FULL The font memory area is full Delete fonts or add more memory to the printer MEMORY FULL The printer memory is full and the printer is unable to print the page Add more memory PRINT OVERRUN Select a lower resolution or set the page protect option in the driver to the correct size IGNORE DATA Check that the correct driver is being used and or try adding more printer memory MEMORY SHO...

Page 293: ...pty Replace with new toner cartridge s 67 721 5 Waste toner pack full of toner Replace with a new waste toner pack 86 5 2 Change the oil bottle Replace with a new oil bottle 1 1 52 5 Change the fuser cleaner Replace with a new fuser cleaner 0 635 17 3 3 5 355 4 0 Misprinting occurred Confirm status of media cassette Confirm correct paper size Confirm consistency of media 1 721 5 0 Toner cartridge ...

Page 294: ...move the paper jam by unwinding the paper from the transfer drum 2 26 3 1 5217 723 Covers open Confirm that the covers are firmly closed 26 75 81 7 Transfer unit 2 open Confirm that the transfer unit 2 is firmly closed 6 3 02 Printer under idling condition Printer automatically returns to the operating condition when a PRINT signal is sent 7 Printer warming up 5 Printer ready to print in standby s...

Page 295: ...e paper in the correct place Media Cassette 5 Is the end plate properly set up NO Set the end plate to meet the paper size 6 Is the paper stacked above the line on the paper guide YES Stack the paper below the line 7 Is there paper dust around the paper guide YES Clean the paper guide with a cotton cloth Paper Pick up Roller 8 Is the print paper caught in the paper feeding part YES Remove the pape...

Page 296: ... fusing unit installed in place NO Install the fusing unit firmly in place Fusing Unit 7 Is there any paper trapped between the rollers YES Remove the trapped paper 8 Is there fuser oil still in the oil bottle NO Replace the existing oil bottle with a new one 3 3 Outer Jam 7DEOH Problem Item Step Check Item Result Action Print Paper 1 Is the print paper a recommended paper NO Use a recommended pap...

Page 297: ...nter stops If errors or failures repeat even after resetting the power button confirm the error code and then call your Service provider Error occurs Confirm the error message Reset the power button Error occurs again Call the maintenance company for service Since this is a temporary error you may use the printer without corrective action NO YES ...

Page 298: ...OINT EX Update with a new Firmware ERROR S08 SERVICE CALL RESERVED INSTRUCT EX Update with a new Firmware ERROR S09 SERVICE CALL COPROCESSOR UNUSAB EX Update with a new Firmware ERROR S10 SERVICE CALL ARITHMETIC OVERFLOW EX Update with a new Firmware ERROR S11 SERVICE CALL UNDEFINED INTERRUPT Update with a new Firmware ERROR S12 SERVICE CALL SOFTWARE 1 INTERRUPT Update with a new Firmware ERROR S1...

Page 299: ...a new main video controller PCB ERROR H74 FLASH_W ERROR FLASH ROM write error Replace with a new main video controller PCB PCI BUS ERROR PCI BUS error Replace with a new NC 4100h 7DEOH Status Display Description ERROR EC3 WARNING NVRAM error ERROR EC4 WARNING Engine controller hardware error ERROR EC7 WARNING Process timing clock error ERROR ED1 WARNING Yellow Switching clutch error ERROR ED2 WARN...

Page 300: ...ning solenoid error ERROR EE7 WARNING Drum cleaning clutch error ERROR EE8 WARNING Fuser unit clutch error ERROR EE9 WARNING Belt marker sensor error ERROR EEL WARNING Erase LED error ERROR EF0 WARNING Cooling fan error ERROR EF2 WARNING Ozone fan error ERROR EF4 WARNING Fuser fan error ERROR EF5 WARNING Charger HV unit error ERROR EH0 WARNING Fuser thermistor error ERROR EH2 WARNING Fuser tempera...

Page 301: ...G Laser power error ERROR EP1 WARNING Duplex controller hardware error ERROR EP3 WARNING Feeder pass select solenoid error ERROR EP4 WARNING Duplex motor error ERROR EP5 WARNING Outer pass select solenoid error ERROR EP6 WARNING Optional fan error Note For further actions for the error messages described in Table 8 4 2 refer to the flow charts later in this section ...

Page 302: ...Main Motor Error E3 Transfer drum 2 Rotational Error E4 Toner Sensor PCB Error E5 Transfer roller 2 Solenoid Error E6 Brush Cleaner Solenoid Error E7 Brush Cleaner Clutch Error E8 Fusing Unit Clutch error E9 Belt Sensor Error EL Erase Lamp Error F0 Control Fan Error F2 Ozone Fan 1 Error F4 Fuser Fan Error F5 Charging HV DC High Voltage Error H0 Fuser Thermistor Error H2 Fusing Temperature Error Wa...

Page 303: ...od 1 does not work implement C3 Error Clearance Procedure 3 Replace the failed MCTL PWB 2 with a new MCTL PWB 2 Clearance Method C4 Hard Error of MCTL Control Circuit 1 Failure of MCTL PWB 2 1 Turn on and off the power switch 2 Replace the failed MCTL PWB 2 with a new MCTL PWB 2 Does the error repeat despite of implementing On Off of Power Switch Continue to drive the engine NO Replace the failed ...

Page 304: ... Error 1 Power Feeding Failure 2 MM Failure 3 MM Input Circuit Failure 1 Implement the same clearance procedures employed for E2 error Note MM stands for OPC Belt Drive Main Motor Clearance Method C7 Implement the same clearance procedures employed for E2 error ...

Page 305: ...ete Is D1 Error cleared Connect the connector properly YES NO NO YES Replace current MCTL PWB 2 with a new PWB Complete Does the voltage jump between ECN1 3 and ECN2 8 Is D1 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the clutch DCLY with a new clutch Is D1 Error cleared YES YES NO YES YES Complete Re check NO NO Connect the harness NO 24V MCTL 12CN 3 DCL Y ON P IOD2 ECN1 ECN14 ...

Page 306: ...ect the harness YES NO NO Replace current MCTL PWB 2 with a new PWB Complete Is D2 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the clutch DCLM with a new clutch Is D2 Error cleared YES YES NO YES YES Complete Re check NO Connect the connector properly NO Does the voltage drop between ECN15 3 and ECN2 6 Does the voltage jump between ECN1 2 and ECN2 8 NO YES 24V MCTL 12CN 2 DCL M ...

Page 307: ...ect the connector properly YES NO NO YES Replace current MCTL PWB 2 with a new PWB Complete Is D3 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the clutch DCLC with a new clutch Is D3 Error cleared YES YES NO YES YES Complete Re check NO NO Connect the harness Does the voltage drop between ECN16 3 and ECN2 6 Does the voltage jump between ECN1 1 and ECN2 8 NO 24V MCTL 12CN 1 DCL C ...

Page 308: ...ect the connector properly YES NO NO Replace current MCTL PWB 2 with a new PWB Complete Is D4 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the clutch DCLK with a new clutch Is D4 Error cleared YES YES NO YES YES Complete Re check NO NO Connect the harness Does the voltage drop between ECN13 3 and ECN2 6 Does the voltage jump between ECN1 4 and ECN2 12 NO YES 24V MCTL 12CN 4 DCL K...

Page 309: ...connector properly YES NO YES Replace current MCTL PWB 2 with a new PWB Complete Is D5 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the front cover unit with a new unit Is D5 Error cleared YES YES NO YES YES Complete Re check NO NO Connect the harness NO Does the voltage drop between ECN5 10 and ECN2 6 Does the voltage jump between ECN1 5and ECN2 8 NO 24V MCTC 12CN 5 PSL KY ON P ...

Page 310: ...e connector properly YES NO YES Replace current MCTL PWB 2 with a new PWB Complete Is D6 Error cleared Replace IOD2 PWB 2 with a new IOD2 PWB 2 Replace the front cover unit with a new unit Is D6 Error cleared YES YES NO YES YES Complete Re check NO NO Connect the harness Does the voltage drop between ECN5 7and ECN2 6 Does the voltage jump between ECN1 6and ECN2 8 NO NO 24V MCTC 12CN 6 PSL MC ON P ...

Page 311: ... and 9 DCN9 5 and 9 DCN10 7 and 9 Replace the IOD2 Is E1 error cleared Replace the IOD1 Is E1 error cleared Job is complete Replace the toner cartridge Is the noise cleared Replace developer gear unit and motor Connect the connectors properly Is E1 error cleared Replace the developer motor 2 Replace the MCTL PWB 2 Job is complete Job is complete Job is complete MCTL 11CN 6 2 DMCLK DMON N IOD1 6 2 ...

Page 312: ...ce the main motor 2 Is E2 error cleared Replace the IOD2 PWB 2 Is E2 error cleared Job is complete Adjust the harness pin 1 YES YES NO NO NO YES MCTL 12CN 7 8 9 10 MMCLK MMON N IOD2 ECN1 ECN2 ECN12 1 2 3 4 5 6 7 8 9 IOD1 1 5 7 9 24V 1 PGND 5V 1 SGND MM1 MM 1 2 3 4 5 6 7 8 9 MMREV N MMENC 1 5 7 9 7 8 9 10 MMRDY N MMON N MMCLK PGND 24V 1 SGND 5V 1 MMENC MMREV N DCN10 ...

Page 313: ...ed Job is complete Re install or replace the belt cartridge Is an encoder plate deformed Replace the transfer drum Connect them properly Is E3 error cleared Replace the paper sensor D EN Replace the MCTL PWB 2 Job is complete MCTL 1LCN 31 HPSEN N IOD1 DCN4 DCN2 DCN1 1 2 3 LVPS 5V 1 SGND Relay connector YES NO YES YES YES NO NO NO Does a transfer drum rotate lightly 1 4 1 4 31 YES NO Is E3 error cl...

Page 314: ...ge between DCN1 15 and 41 to be a trailing edge Is E4 error cleared Job is complete Connect them properly Is E4 error cleared Replace the toner sensor PCB Replace the MCTL PWB 2 Job is complete MCTL 1ICN 41 15 SGND IOD1 DCN1 YES NO YES NO Is DCN7 of IOD1 properly connected with a connector of the toner sensor 41 15 YES YES Replace the IOD1 PWB 2 7 8 9 1 2 3 Toner Empty PCB YES NO LEDON N 7 8 9 DCN...

Page 315: ...N N P Is a single voltage between ECN8 4 and ECN2 5 of IOD2 to be a trailing edge Is a single voltage between 5 of ECN2 and 18 of IOD2 to be a rising edge Is E5 error cleared Job is complete Is E5 error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 12CN 18 ECN1 IOD2 TRCM 18 YES YES YES NO YES NO NO TRSLON P PGND YES Replace TR cam clutch 3 Replace the IOD2 PWB 2 ECN2 1 ...

Page 316: ... P Is a single voltage between ECN10 4 and ECN2 5 of IOD2 to be a trailing edge Is a single voltage between ECN1 17 and ECN2 5 of IOD2 to be a rising edge Is E6 error cleared Job is complete Is E6 error cleared Connect them properly Replace the IOD2 PWB 2 Replace the MCTL PWB 2 Job is complete MCTL 11CN 17 ECN1 IOD2 FBCM 17 YES YES NO YES NO NO FBSLON P PGND YES Replace the transfer solenoid ECN2 ...

Page 317: ... 2 Check the voltage FBCLON N P Is a single voltage between ECN11 3 and ECN2 5 of IOD2 to be a trailing edge Is a single voltage between ECN2 5 and 16 of ECN1 to be a rising edge Is E7 error cleared Job is complete Is E7 error cleared Connect them properly Replace the IOD2 PWB 2 Replace the MCTL PWB 2 Job is complete MCTL 11CN 16 ECN1 IOD2 FBCL 16 YES NO YES NO NO FBCLON P PGND YES Replace the cle...

Page 318: ... a single voltage between ECN9 3 and ECN2 5 of IOD2 to be a trailing edge Is a single voltage between ECN1 20 and ECN2 9 of IOD2 to be a rising edge Is E8 error cleared Job is complete Is E8 error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 12CN 20 FUCLON P IOD2 ECN1 ECN9 FUCL YES NO YES NO YES NO 20 24V 1 FUCLON N NO Replace the fixing clutch FUCL Replace the IOD2 PW...

Page 319: ...nd 3 of IOD1 Is the voltage 5V between DCN2 1 and 4 of IOD1 Is E9 error cleared Job is complete Replace the belt cartridge Is E9 error cleared Clean the belt Connect them properly Is E9 error cleared Replace the belt sensor PBS Replace the MCTL PWB 2 Job is complete YES YES YES YES NO NO NO NO NO Is a belt sensor stained NO NO YES Replace the IOD1 PWB 2 Install the printer to be leveled out YES YE...

Page 320: ...oltage between DCN7 11 and DCN2 25 to be a trailing edge Is a single voltage between DCN1 27 and 44 of IOD2 to be a rising edge Is EL error cleared Job is complete Is EL error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 11CN 44 27 PGND ELON P IOD1 DCN1 DCN2 DCN7 EL YES NO YES NO YES NO 44 27 25 24V 1 ELON N NO Replace the LED PCB Replace the IOD1 PWB 2 PGND YES YES NO...

Page 321: ...ON P Is the voltage between DCN18 1 and 2 to be a trailing edge Is the voltage between DCN1 33 and 44 to be a trailing edge Is F0 error cleared Job is complete Is F0 error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 11CN 44 33 PGND CTFANON P IOD1 DCN1 DCN18 CTL FAN YES NO YES NO YES NO 44 33 CTFANON P PGND CTFANERR NO Replace the fan motor Replace the IOD1 PWB 2 24V 1...

Page 322: ...OZFANON P Is the voltage between ECN5 1 and 2 to be a trailing edge Is the voltage between ECN1 19 and ECN2 8 to be a trailing edge Is F2 error cleared Job is complete Is F2 error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 12CN 19 OZFANON P IOD2 ECN1 ECN5 OZ FAN YES NO YES NO YES NO 19 OZFANON P PGND OZFANERR NO Replace the fan motor OZFAN Replace the IOD2 PWB 2 YES ...

Page 323: ...TFANON P Is the voltage between DCN14 10 and 11 to be a rising edge Is the voltage between DCN1 35 and 44 to be a rising edge Is F4 error cleared Job is complete Is F4 error cleared Connect them properly Replace the MCTL PWB 2 Job is complete MCTL 11CN 44 35 PGND HTFANON P IOD1 DCN1 DCN14 HTFAN YES NO NO NO YES NO 44 35 HTFANON P PGND HTFANERR NO Replace the heater fan Replace the IOD1 PWB 2 24V 1...

Page 324: ...contract failure or short of CHV socket part Is F5 error cleared Job is complete Replace the charger unit or belt cartridge Re install the charger unit Replace the IOD1 or MCTL PWB 2 Job is complete MCTL IOD1 Charger Unit YES NO NO NO YES NO Have the electric pole properly contact Clean the socket part YES YES NO Replace the high voltage HVU Is F5 error cleared Is F5 error cleared Job is complete ...

Page 325: ...ure due to damaged connector of fusing unit Are the connectors properly connected between the fusing unit and FUCN of MCTL PWB 2 Replace the fusing unit Is H0 error cleared Job is complete Is H0 error cleared Re install the fusing unit Job is complete YES NO YES NO Replace the IOD1 or MCTL PWB 2 NO Replace the charger unit or belt cartridge Connect them properly NO YES MCTL Fusing Unit OCN ...

Page 326: ...heater Are H2 H3 and H4 errors cleared Connect them properly NO NO NO YES Is the fuser connector damaged Is there any contract failure of the lamp holder YES NO Replace the fusing unit Is the fuser unit properly installed Is the heater wiring cut or damaged Replace the lamp and lamp holder NO Confirm the input voltage Confirm the rating and replace the fusing heater Replace the power supply unit L...

Page 327: ...onnector PDCN properly connected Are the connector LCN1 and LCN of MCTL properly connected Replace the scanner unit Is L1 error cleared Job is complete Is L1 error cleared Connect the connector properly MCTL LCN SGND BDT LDU PDCN LCN3 SM YES YES NO NO NO Replace the MCTL PWB 2 PD LCN1 5V 1R Scanner Unit SM YES 20 Laser Diode ...

Page 328: ...LCN3 properly connected Replace the scanner unit Is L2 error cleared Job is complete Is L2 error cleared Connect the connector properly MCTL SCMCLK LDU LCN3 SM YES YES NO NO NO Replace the MCTL PWB 2 PD Scanner Unit SM YES 1 2 3 4 5 SCMRDY SCMON GND 24V 1 20 LCN ...

Page 329: ...nected Is the connector PDCN properly connected Replace the scanner unit Is LL error cleared Job is complete Is LL error cleared Connect the connector properly MCTL LCN LDU PDCN LCN3 SM YES YES NO NO NO Replace the MCTL PWB 2 or PD LCN1 Scanner Unit YES Are the connector LCN1 and LCN properly connected DC power supply LVPS 20 5 3 ...

Page 330: ...9 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...

Page 331: ...9 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 Fig 8 2 ...

Page 332: ...he toner cartridge See Section 3 3 of Chapter III 2 Confirm if the developer bias pole is deformed or not 3 Replace the OPC belt cartridge See Section 2 1 of Chapter VI 4 Replace the high voltage unit HVU I 2 Missing Image at Edge Phenomenon There is missing or peeling toner found in the image at the edge as shown in the print sample 2 of Fig 8 2 Main Causes 1 Too small toner mass and charging lev...

Page 333: ...ne See Section 2 1 of Chapter VI I 4 Ribbing Phenomenon Light print occurs on the right or left hand side of the image as shown in print sample 4 of Fig 8 2 Main Causes 1 Slight tilt on the surface of printer installation table Tilt should be less than 1q 2 Toner amount in the toner cartridge is insufficient The amount in a full cartridge should be 175g for Y M C and 275g for K 3 Toner cartridge i...

Page 334: ...ng 3 One side of the fusing unit is lifted up slightly 4 Fusing unit reaches to the end of life Countermeasures 1 Use a recommended paper 2 Confirm if the transfer unit 2 is properly installed to the paper discharger unit and functioning normally 2 1 Confirm the installation status 2 2 Clean the paper discharger unit or replace it with a new one See Section 1 2 3 and 2 4 of Chapter VI 3 Refit the ...

Page 335: ...lade fixing plate and the developer roller c x Between the blade and the developer roller d 2 Foreign particles adhering to the toner cartridge s main blade of the color in question Fig 8 4 Countermeasures 1 Implement the test print 2 Confirm the color of the toner cartridge in question that has caused the white line 3 Remove the foreign particles adhering to the developer roller If foreign partic...

Page 336: ... Clean the dustproof glass See Section 1 2 5 of Chapter VI I 8 Vertical White Band Phenomenon White band appears in the vertical direction of printed image as shown in print sample 8 of Fig 8 2 Main Causes Silicone oil adhering to the transfer drum 2 Fig 8 7 Countermeasures 1 Wipe off the oil adhering to the transfer unit 2 and its perimeter 2 Replace the transfer drum 2 with a new one See Section...

Page 337: ... 1 2 3 of Chapter VI 1 2 Replace the OPC belt cartridge with a new one See Section 2 1 of Chapter VI 2 Clean the surface of the developer roller I 10 Vertical Line Phenomenon Vertical line appears in the printed image as shown in print sample 10 of Fig 8 2 Main Causes 1 Foreign particles dust etc adhering to the parts located around the transfer drum 2 and consequently in contact with the toner im...

Page 338: ... the printer body 2 Installation location should be appropriate with no possibility of shock or vibration 3 Replace the optical unit 2 with a new one See Section 4 5 1 of Chapter VII I 12 Banding Phenomenon Banding line appears in the horizontal direction as shown in print sample 12 of Fig 8 2 Main Causes This is a transfer failure due to the shock caused when the OPC belt seam passes over the cle...

Page 339: ...r roller 2 2 Contact failure of the transfer roller 2 bias pole 3 Transfer solenoid failure Countermeasures 1 Confirm if the transfer unit 2 is properly locked in position and that both ends of the transfer unit 2 are held by the hooks 2 Confirm if the transfer unit 2 is properly installed or not 3 Replace the TR cam clutch 3 with a new one See Section 4 2 6 of Chapter VII 4 Replace the transfer u...

Page 340: ...er roller drops on the OPC belt Countermeasures 1 Check the cleaning brush and waste toner feeder 1 1 Clean the perimeter of the cleaning brush installation location 1 2 Check if the seal is deformed or damage If there is any deformation or damage replace the waste toner feeder with a new one 1 3 Check if waste toner is stuck in the printer engine Remove the waste toner with a vacuum cleaner desig...

Page 341: ... check the transfer drum 2 2 1 Lightly wipe off the foreign particles adhering to the transfer drum 2 using a cotton cloth 2 2 Replace the damaged transfer drum 2 with a new one See Section 4 1 12 of Chapter VII 3 Remove the toner cartridge 3 1 Clean the surface of the developer roller 3 2 Replace the toner cartridge with a new one 4 Replace the transfer unit 2 with a new one See Section 4 6 1 of ...

Page 342: ...ures 1 Reset the OPC belt cartridge properly 2 Replace the OPC belt cartridge with a new one See Section 2 1 of Chapter VI 3 Replace the drum cleaner 2 with a new one I 18 Toner Streak Phenomenon Brush mark line of uneven scanning density is caused in the image as shown in print sample 18 of Fig 8 2 Main Causes 1 Main blade of the developer unit and the reset roller is not normal 2 Location of the...

Page 343: ...perly installed 3 Replace the high voltage unit with a new one See Section 4 3 6 of Chapter VII 4 Replace the toner cartridge with a new one 5 Replace the paper with new paper from a freshly opened ream I 20 Residual Image Phenomenon Image of the preceding page appears on every other page as shown in print sample 20 of Fig 8 2 Main Causes 1 Cleaning failure due to lifting of the cleaning brush of ...

Page 344: ...proximately for 30 minutes after the new unit is installed to allow the fusing oil to circulate in the new fusing unit I 22 Back Stain Phenomenon Back side of the print paper is stained as shown in print sample 22 of Fig 8 2 Main Causes Fusing unit 1 The cleaning pad of the fuser cleaner is stained 2 Silicone oil in the oil bottle is short 3 The fusing roller 2 and back up roller are dirty Counter...

Page 345: ...one See Section 4 1 14 of Chapter VII 3 Replace the OPC belt cartridge with a new one See Section 2 1 of Chapter VI 4 Replace the high voltage unit with a new one See Section 4 3 6 of Chapter VII I 24 Insufficient Fusing Phenomenon Printed image is partially missing as shown in print sample 24 of Fig 8 2 This proves that the fusing is insufficient Main Causes 1 Wrong selection of print media label...

Page 346: ...r dust between the cleaning blade and OPC belt referring to the figure below Fig 8 10 2 Replace the OPC belt cartridge with a new one I 26 Black Toner Light Phenomenon Black color of printed image is light as shown in print sample 26 of Fig 8 2 and the printer clatters at the same time Main Causes Black toner in the cartridge has solidified because the printer is used under high temperature circum...

Page 347: ...easures 1 Use the paper immediately after open the paper bag 2 Change the NVRAM setting Refer to THV TUNE UP in Section 3 4 2 of Chapter V I 28 Vertical Lines on OHP Phenomenon Vertical lines appear when printing the OHP sheet as shown in print sample 29 of Fig 8 2 Main Causes Paper dust around the paper exit roller adhering to the OHP sheet Countermeasures 1 Use the recommended OHP sheet 2 Clean ...

Page 348: ...ber B February F June K October C March G July L November D April H August M December ID for production month of other parts than the printer 1 January 5 May 9 September 2 February 6 June X October 3 March 7 July Y November 4 April 8 August Z December 1 Printer U 6 0 1 5 7 L 1 S 1 1 1 1 0 1 Location MODEL NO MONTH YEAR FACTORY NO SERIAL NO Rear of the printer 120V ...

Page 349: ...A 2 2 Toner Cartridge 1 2 X X X X X X X X X X Location 3 OPC Belt Cartridge 1 2 X X X X Location MONTH SERIAL NO MONTH SERIAL NO YEAR YEAR ...

Page 350: ...A 3 4 Fusing Unit XXXX 7 1 2 3 A Location 5 Scanner Unit 7 1 2 3 A Location REV A Z DATA VOLTAGE 100V 120V 240V YEAR DATE MONTH YEAR REV A Z MONTH ...

Page 351: ...A 4 6 Transfer Drum Hand writing X X X X X X 7 1 2 3 Location DATE MONTH SERIAL NO YEAR ...

Page 352: ...eveloper Roller I 18 mm 56 52 mm 3 Transfer Roller I 20 mm 62 80 mm 4 Paper Pick up Roller I 40 mm 125 60 mm 5 Transfer Drum I 121 mm 379 94 mm 6 Back up Roller I 32 mm 100 48 mm 7 Fusing Roller I 32 mm 100 48 mm 8 Drum cleaner 2 I 25 mm 78 50 mm 9 Cleaning Roller I 18 mm 56 52 mm 10 Registration Roller I 13 5 mm 42 39 mm 11 Paper Exit Roller I 16 mm 50 24 mm ...

Page 353: ...ore unpacking 1 After unpacking 2 Toner cartridge all colors 3 years 1 year OPC belt cartridge 3 years 1 year Fuser cleaner N A N A Note 1 It means that the consumable life is 1 year if it is stored for 2 years 2 Even though shelf life is one year after unpacking the consumable life will be getting less than one year if it is stored more than 2 years before unpacking ...

Page 354: ...dge Life 60 000 images Condition Above figure varies depending on pages job Refer to the list below Pages per job 1 page 2 page 3 page 4 page 5 page 6 page 7 page 8 page 9 page 24 000 30 000 35 000 39 000 43 000 46 000 49 000 51 000 53 000 Pages per job 10 page 11 page 12 page 13 page 14 page 15 page a 54 000 56 000 57 000 58 000 59 000 60 000 5 Cleaning Roller Life 12 000 pages Condition Above fi...

Page 355: ...n 32 Modified by the addtional life deleted figure 40 000 39 990 2 10 pages 1 No change 2 10 pages 1 10 pages 0 Figure from Total page 34 Total page counter life 10 20 3 No change 20 3 Clear care 36 40 000 40 020 3 Add 20 pages 1 Print 10 pages by 5 coverage 2 Print 10 pages by 50 coverage Add figure of Total pages 34 ...

Page 356: ...IT LP7 50 000P FU UNIT LP8 60 100P 120K KIT LP9 120 000P 3 When you have recorded all the values above initialize the data in the NV RAM on the MCTL PWB 2 or replace the MCTL PWB 2 After initializing all the data in the NV RAM on the MCTL PWB 2 or replacing the MCTL PWB 2 all the original counter values for the cleaning roller OPC belt cartridge fusing unit and 120K kit should be re entered as bel...

Page 357: ... is as follows IY IM IC IK NC7 LP7 348 353 365 439 49 135 40 000 348 353 365 439 9 135 Change the value of IK from 439 to 8 069 so that the formula works out 348 353 365 8 069 9 135 Then enter each value for IY 348 IM 353 IC 365 and IK 8 069 in the EACH IMAGE SET counter in FACTORY MODE ii Perform CLEAR CARE 7 Refer to 36 CLEAR CARE in page V 23 of Chapter V iii Check that the value of NEXT CARE i...

Page 358: ...EAR CARE 9 Refer to 36 CLEAR CARE in page V 23 of Chapter V iii Check that the value of NEXT CARE is reset correctly i e NC9 120 000P 8 Re enter the original TOTAL PAGE T value in TOTAL PAGE SET in FACTORY MODE i e T 412P 9 Re enter the original EACH IMAGE IY IM IC IK values in EACH IMAGE SET in FACTORY MODE i e IY 348P IM 353P IC 365P IK 439P 10 Ensure that the values in the LIFE PERIOD SET count...

Page 359: ... M C from the printer 2 Put the original protective cover orange onto each cartridge and put it into the polyethylene bag 3 Put the toner cartridges into the original starter kit packing 87 21 x If you do not have the original protective cover cover each toner cartridge with bubble sheet to protect the developer roller x If you do not have the original starter kit packing pack each toner cartridge...

Page 360: ...he cartridge into the polyethylene bag 5 Put the OPC belt cartridge into the original starter kit packing 87 21 x Do not directly touch the OPC belt surface with bare hands or gloves x If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damage x If you do not have the original starter kit packing pack the OPC belt cartridge firmly with bubble sheet and put...

Page 361: ...thylene bag and seal it firmly Failure to do so will cause oil spill during shipping and damage to the printer 4 Put the oil bottle and the fuser cleaner into the original starter kit packing 5 Remove the oil remaining in the fusing unit with the supplied syringe to avoid oil spill in the printer Note Re install the fusing unit into the printer after cleaning the printer as instructed in the follo...

Page 362: ...ste toner pack into the polyethylene bag and seal it firmly 6 5 Cleaning Clean the following areas with a vacuum cleaner to remove toner 1 Around the waste toner pack Waste toner feeder tube i Vacuum toner from the exit of the waste toner feeder tube and around the waste toner pack holder ii Cover the exit of the waste toner feeder tube with vinyl wrap Waste toner pack Ground paper tape ...

Page 363: ...n the right 3 Inside the printer i Remove the upper side cover side cover L and upper cover from the printer ii Remove the control fan and then remove the waste toner feeder unit iii Vacuum toner around the other side of the waste toner feeder tube and inside the printer Refer to the figure as shown on the right iv Reassemble the waste toner feeder unit control fan upper cover side cover L and upp...

Page 364: ...arth wire 4 Media cassette i Remove the media cassette from the printer and remove paper from the cassette ii Vacuum paper dust in the media cassette iii Reinstall the media cassette 6 6 Packing 1 Re install the fusing unit into the printer i After setting the fusing unit in place lightly press down the unit to firmly connect to the connector on the base ii Tighten the securing screws while pressi...

Page 365: ... as shown on the right 3 Put the printer into the polyethylene bag 4 Pack the printer the starter kit packing the waste toner pack and power code in the box using the original packing material 5 Seal the outer box firmly Toner cartridge OPC belt cartridge Fuser cleaner Starter kit packing Oil bottle Outer box Starter kit packing Waste toner pack Printer Power code ...

Page 366: ...A 19 6 Fix the four joints then band the box with two plastic bands P P band Joint ...

Page 367: ...orresponding character appears when the sensor performs to check the performance of all sensors 5 RAM SIZE TEST Displays the size of the RAM installed in the printer and checks that the size is correct 6 TRAY1 CHECK Displays the paper size of the installed cassette 1 to check it 7 TRAY2 CHECK Displays the paper size of the installed cassette 2 to check it 8 FLASH CARD R W TEST Implements the readi...

Page 368: ...electing Auto in the paper source setting ENGINE ADJUST LEFT MARGIN Adjusts the horizontal gap of the printing position when the optional lower cassette is installed The setting in the main PCB is changed 3 5mm 3 5mm The setting value can be changed by 5mm TRAY1 mm TRAY2 mm TRAY3 mm DUPLEX mm YPOS ADJUST Adjusts the vertical gap of the printing position when the optional lower cassette is installe...

Page 369: ...he storage device compact flash card hard disk FONT ID SECONDARY FONT Saves the fonts to be currently registered as the secondary font into the storage device compact flash card hard disk FONT ID DOWNLOAD FONT Saves the current download font into the storage device compact flash card hard disk FONT ID exit SAVE SAVE MACRO Only when selecting the LaserJet emulation and any macros are registered Sav...

Page 370: ...eived when DC3 is received READOUT OFF The data is not ignored even when DC3 is received FONT SELECT SCALABLE FONT Only when selecting the LaserJet emulation FONT ALL All scalable fonts can be selected when selecting the PCL font FONT LJ4 The following fonts cannot be selected when selecting the PCL font Atlanta BermudaScript PCBrussels Copenhargen Germany Portugal Calgry San Diego UR Roman FONT S...

Page 371: ...ich the printer does not have If the download font is selected by ID however the bold font which has been specified before can remain in the printer so that the download font is printed in bold Though the function was deleted from the printer for the mean time it also caused the claims Therefore the setting which deletes the function is added DLFNT Bd It YES Creates the bold or italic font from th...

Page 372: ...m bitmap font BROBITM ENABLE Enables the internal 10 12 pitch Brougham bitmap font ISR FONT SELECT ISRFONT DISABLE Normal mode ISRFONT ENABLE Israel mode 300DPI PRIORITY Though it was necessary to select and print the cartridge font of Courier for the US customer the 300dpi bitmap font could not be selected because the priority of the font selection was low in rank Since the current model is compa...

Page 373: ...igh 1 DOWNLOAD 300 2 DOWNLOAD SCALABLE 3 CARD 300 4 CARD SCALABLE 5 CART 300 6 CART SCALABLE 7 RESIDENT 300 8 RESIDENT SCALABLE FX XL SCALE FONT Specifies the setting for the default font and font selected on the control panel in the Epson IBM emulation SCAL F NORMAL Enables to select the only similar size of the font when the scalable font is selected SCAL F ALL SIZE Enables to select all sizes o...

Page 374: ... The ACK signal is output when the BUSY signal goes down CDCC BSSL L The ACK signal is output before the BUSY signal goes down INPUT PRIME INPUT PRIME OFF The INPUT PRIME signal does not reset the printer INPUT PRIME ON The INPUT PRIME signal resets the printer REPRINT ON OFF Specifies that the reprint function is enabled or disabled forcedly REPRINT ON The reprint function is enabled or disabled ...

Page 375: ...ch as Ctrl T Ctrl C and disables to use the binary data PS BINARY BIN Enables to print the binary data and disables the commands such as Ctrl T PS QUOTE BINARY PS QUOTEBIN OFF Disables to input the binary data even by the special codes PS QUOTEBIN ON Enables to input the binary data by the special codes PS IMAGE MASK Revises the image mask procedure to make print speed faster with an OS 2 driver P...

Page 376: ... ESC E RESET Resets the printer HP ESC E F F Implements form feed PS300RESO Specifies that the resolution is reduced to 300dpi in the PS mode automatically PS300RESO NO Not reduces the resolution automatically PS300RESO IF 2M Reduces the resolution to 300dpi when the RAM size is 2MB PS300RESO FORCE Reduces the resolution to 300dpi COPY PAGES Fixes the copy page number to one page when COPY PAGES O...

Page 377: ...om the control panel and printer Web page and the demo page is not printed by the PJL command and MIB DEMO PAGE ON DEMO PAGE OFF JOB CANCEL TIME Specifies the timeout of job cancel 1 255 TIME OUT sec PSCOPYPAGE PSCOPYPAGE L3 PSCOPYPAGE L2 Switches the copy page operator in the PS mode between Level2 and Level3 PJL DEFAULT PSCOPYPAGE L3 L2 PJL SET PSCOPYPAGE L3 L2 PJL DINQUIRE PSCOPYPAGE PJL INQUIR...

Page 378: ...criptions are not open to other than the service personnel in principal You may let users know as necessary To enter the reset parts life menu press the Go and buttons together The details for the menu are described as follows FC Roller Initializes the life of the fuser cleaner OPC Belt Initializes the life of the OPC belt cartridge FUSER UNIT Initializes the remaining life of the fusing unit 120K...

Page 379: ...fter clearing the counter when 100 pages or more are printed C TONER The number of the cyan toner cartridge replacement M TONER The number of the magenta toner cartridge replacement Y TONER The number of the yellow toner cartridge replacement K TONER The number of the black toner cartridge replacement FC Roller The number of the fuser cleaner replacement OPC Belt The number of the OPC belt cartrid...

Page 380: ...est 2 3 10 SERVICE MENU MODIFY COUNT For modifying of the number of pages and remaining life the digit to be modified is raised whenever pressing the Set button The pages and remaining life are fixed on when pressing the Set button on the highest digit JAM COUNT Paper jam frequency REPLACE COUNT C TONER The number of the cyan toner cartridge replacement M TONER The number of the magenta toner cart...

Page 381: ...agenta yellow and black toner Caution 1 The counter is limited for the following items COVERAGE The number of pages over 100K is not stored PRINT PAGE Counted up to 100K pages ERROR HISTORY Up to 100K errors are stored Caution 2 When modifying the life period enter the Hitachi mode ...

Page 382: ...PC belt cartridge may be shortened 1 Turn ON the power switch of the printer 2 After the printer has initialized open the front cover 2 and then the top cover ASSY 2 of the printer and pull up the OPC belt cartridge from the printer 3 Measure the gap on the OPC belt cartridge shown in the figure below If the gap is in the range of 5 2 mm the printer is installed correctly 5 2 mm OPC belt cartridge...

Page 383: ...ter is approximately 9mm out of level from one side to the other i Is the printer inclined because the table the printer is installed on is unlevel ii Is the printer inclined because the table surface the printer is installed on is not strong enough iii Is the printer inclined because it is installed across two or more tables 1 1 Level Level 1 Level ...

Page 384: ...f 5 2 mm the printer is installed correctly Refer to the figure for Step 3 6 If the gap is NOT in the range of 5 2 mm follow the steps below i When the gap is more than 7 mm the OPC belt has moved to the right Place something 1 cm thick such as a book under the right hand side of the printer as shown in the figure on the right Initialize the printer again and then measure the gap on the OPC belt c...

Page 385: ...hick under the printer metal frame as shown in the figures above Even if the Lower Tray unit is installed onto the printer the book should be positioned in the same position x If you have a spirit level put it on the output tray and install the printer as level as possible referring to the level x The surface that the printer is placed on should have its level corrected properly x The temporary ac...

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