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Stylus C40UX/C40SX/C20UX/C20SX

Revision B

PRODUCT DESCRIPTION

PAPER

22

Raster Graphics mode

* Bottom margin is expanded to 3mm when paper dimension is defined by using
command(ESC (S), otherwise it is not expanded (Black,14mm Color 21mm). Refer to
Appendix C.

** Print quality may decline in the expanded areas(For 3 mm to 14 mm (Color 21mm)
of the printing areas).

Envelope

Figure 1-5. Printable Area for Envelopes

* Bottom margin is expanded to 3mm when paper dimension is defined by using
command ESC (S), otherwise it is not expanded (Black,14mm Color 21mm). Refer to
Appendix C.

** Print quality may decline in the expanded areas(For 3 mm to 14 mm (Color 21mm)
of the printing areas).

Paper size

PW

(Paper

width)

(typ.)

PL

(Paper

length)

(typ.)

LM

(left

margin)

(min.)

RM

(Right

margin)

(min.)

TM

(Top

margin)

(min.)

Black BM

(Bottom margin)

(min.)

Color BM

(Bottom margin)

(min.)

A4

210mm
(8.3”)

297mm
(11.7”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

Letter

216mm
(8.5”)

279mm
(11.0”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

B5

182mm
(7.2”)

257mm
(10.1”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

Lega

216mm
(8.5”)

356mm
(14.0”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

Statement

139.7mm
(5.5”)

215.9mm
(8.5”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

Executive

190.5mm
(7.5”)

254mm
(10”)

3mm
(0.12”)

3mm
(0.12”)

3mm
(0.12”)

14mm (0.54”)
/3mm (0.12”)

21mm (0.83”)
/3mm (0.12”)

Paper

size

LM(Left

margin)

(min.)

RM(Right

margin)

(min.)

TM(Top

margin)

(min.)

Black BM

(Bottom margin)

(min.)

Color BM

(Bottom margin)

(min.)

#10

28mm(1.10
”)

3mm(0.12”)

3mm(0.12”)

14mm(0.54”0
/3mm(0.12”)*

21mm(0.83”)
/3mm(0.12”)*

DL

7mm(0.28”)

3mm(0.12”)

3mm(0.12”)

14mm(0.54”0
/3mm(0.12”)*

21mm(0.83”)
/3mm(0.12”)*

C6

3mm(0.12”)

3mm(0.12”)

3mm(0.12”)

14mm(0.54”0
/3mm(0.12”)*

21mm(0.83”)
/3mm(0.12”)*

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Содержание Stylus C40UX

Страница 1: ...StylusC40UX C40SX C20UX C20SX Color Inkjet Printer SEIJ01002 SERVICE MANUAL ...

Страница 2: ...ate being informed of them The contents of this manual are subject to change without notice The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purpose only and may be trademarks or reg...

Страница 3: ...E MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED...

Страница 4: ...ponents layout Electrical circuit boards schematics Exploded diagram Parts List Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware of all symbols when they are used and always read NOTE CAUTION or WARNING messages Indicates an operatin...

Страница 5: ...1 Caution message regarding disassembly and assembly was added Page 63 Adjustment Requested message for Top Margin adjustment was added Page 65 Reassembly message for inserting PS cable was revised Page 68 70 Disassembly procedure for Paper Guide Upper Left was added Page 76 Adjustment Requested message for Top Margin adjustment was added Chapter 5 Page 88 89 Adjustment procedure for Top Margin wa...

Страница 6: ...r Condition and Panel Status 18 1 5 5 Printer Initialization 19 1 5 6 Errors 19 1 6 PAPER 20 1 6 1 Paper Handling 20 1 6 2 Paper Specification 20 1 6 3 Printing Area 21 1 7 INK CARTRIDGE 23 1 7 1 Black Ink Cartridge 23 1 7 2 Color Ink Cartridge 23 Chapter 2 Operating Principles 2 1 Overview 25 2 1 1 Printer Mechanism 25 2 1 2 Printhead 26 2 1 2 1 Printing Process 27 2 1 2 2 Printing Method 27 2 1 ...

Страница 7: ... Adjustment Program Initial Setting menu 80 5 1 3 Adjustment Program feature 81 5 1 4 EEPROM initial setting 83 5 1 5 Head ID 83 5 1 6 Bi D 85 5 1 7 USB ID 86 5 1 8 Top margin 88 5 1 9 Head cleaning 89 5 1 10 Initial ink charge 90 5 1 11 Refurbishment for DOA 90 5 1 12 Protection counter check 92 5 1 13 EEPRON check 94 5 1 14 EEPROM back up data 95 5 1 15 A4 pattern will print 96 Chapter 6 Mainten...

Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...

Страница 9: ... Windows Macintosh exclusive 1 2 Differences between the Stylus C20 and the Stylus C40 The Stylus C20 and Stylus C40 are mechanically the same but the throughput of the Stylus C40 is slightly higher than that of the Stylus C20 Refer to Table 1 1 Table 1 1 Throughput In both models demarcation is determined by the EEPROM value 29 H When the value of bit 0 is 1 a wait of 40 msec is inserted for each...

Страница 10: ...logic seeking Print speed Printable columns Character mode Black only Raster graphics mode Control code ESC P R4C7050 exclusive EPSON Remote command Character tables none ASCII 20h to 7Fh code support Typeface Bit map LQ font EPSON Courier 10 CPI International character sets None Do not mention to the user s manual about control code character table typeface and International character sets Charac...

Страница 11: ...ompliant Insulation Resistance 10 M ohms min between AC line and chassis DC 500 V Dielectric strength AC 1000 V rms 1 minute or AC 1200 V rms 1 second between AC line and chassis 220 240 V version Rated voltage AC 220 240 V Input voltage range AC 198 264 V Rated frequency range 50 60 Hz Input frequency range 49 5 60 5 Hz Rated current 0 2A Power consumption Approx 16W ISO IEC 10561 Letter pattern ...

Страница 12: ...ure Figure 1 2 Environmental Condition 1 3 7 Reliability Total print volume 10 000 pages A4 Letter or 20 000 pages A4 Letter refer to EEPROM Address Map on page 106 Print Head Life 4000 million dots nozzle 1 3 8 Safety Approvals 120 V version Safety standards UL1950 with D3 CSA C22 2 No 950 with D3 EMI FCC part15 subpart B class B CSA C108 8 class B 220 240 V version Safety standards EN 60950 VDE ...

Страница 13: ...dshaking By BUSY and ACKNLG signal Signal level TTL compatible level Adaptable connector 57 30360 amphenol or equivalent BUSY signal is set high before setting either ERROR low or PE high and held high until all these signals return to their inactive state BUSY signal is at high level in the following cases During data entry see Data transmission timing When input data buffer is full During INIT s...

Страница 14: ...IH 2 0 V IIL 12 mA VIL 0 8 V CI 50 pF Pin No Signal Name Return GND pin In Out Functional description 1 STROBE 19 In The strobe pulse Read in of data is performed at the falling edge of this pulse 2 DATA0 20 In The DATA0 through DATA7 signals represent data bits 0 to 7 respectively Each signal is at high level when data is logical 1 and low level when data is logical 0 3 DATA1 21 In 4 DATA2 22 In ...

Страница 15: ...ls represent data bits 0 to 7 respectively Each signal is at high level when data is logical 1 and low level when data is logical 0 These signals are used to transfer the 1284 extensibility request values to the printer 3 DATA1 21 In 4 DATA2 22 In 5 DATA3 23 In 6 DATA4 24 In 7 DATA5 25 In 8 DATA6 26 In 9 DATA7 27 In 10 PtrClk 28 Out Printer clock signal 11 PtrBusy DataBit 3 7 29 Out Printer busy s...

Страница 16: ...MD ESCPL2 BDC MDL Stylus SP XXX CLS PRINTER DES EPSON SP Stylus SP XXX XXX is C20 or C40 Note 1 00H denotes a hexadecimal value of zero 2 MDL value depends on the EEPROM setting Refer to Appendix F 3 CMD value depends on the IEEE1284 4 setting Refer to Appendix F 1 4 4 Prevention Hosts from Data Transfer Time out Generally hosts abandon data transfer to peripherals when a peripheral is in the busy...

Страница 17: ...logical channels are independent of each other and blocking of one has no effect on the others The protocol operate over IEEE1284 Automatic selection An initial state is compatible interface and starts IEEE1284 4 communication when magic strings IEEE 1284 4 synchronous commands are received On An initial state is IEEE1284 4 communication and data that received it by the time it is able to take syn...

Страница 18: ...s a Indicator condition in Ink exchange sequence 1 see SW Function Error Reset SW Loads or Ejects the Paper Pushing within 3seconds Starts the Cleaning of head Pushing for 3seconds When carriage is on the Ink Cartridge change position return carriage from Ink Cartridge change position Starts the Ink Cartridge change Pushing for 6seconds SW Function Error Reset SW Starts status printings Printer st...

Страница 19: ...s default values 4 Power on initialization except I F The printer recognized the IEEE 1284 4 rs command When printer is initialized following action is performed a Initializes printer mechanism b Clears input data buffer c Clears print buffer d Sets default values except I F 1 5 6 Errors Ink out When the printer runs out the most part of the ink of any one color it warns ink low and keeps printing...

Страница 20: ...20 mm x Length 176 mm Japanese YOUKEI 2 Width 114 mm x Length 162 mm Japanese YOUKEI 3 Width 98 mm x Length 148 mm Japanese YOUKEI 4 Width 105 mm x Length 235 mm except for glue Thickness N A Weight 10 DL C6 45 g m 2 12 lb 75 g m 2 20 lb CHOUKEI 50 g m 2 43Kg 70 g m 2 60Kg YOUKEI 50 g m 2 43Kg 100 g m 2 86Kg Quality 10 DL C6 Bond paper Plain paper Air mail CHOUKEI4 3 Kraft new Kent paper YOUKEI1 2...

Страница 21: ...vy weight Size A4 210mm x 297mm Letter 216mm x 279mm Thickness 0 23 mm 0 009 Weight 167 g m 2 44 lb 143Kg Iron on Cool Peel Transfer Paper Size A4 210mm x 297mm Letter 216mm x 279mm Thickness 0 18 mm 0 007 Weight 124 g m 2 33 lb 107Kg Base paper weight Ink jet paper Size A4 210mm x 297mm Thickness 0 11 mm 0 004 Weight 80 g m 2 21 lb 45Kg 1 6 3 Printing Area Cut Sheet Figure 1 4 Printable Area for ...

Страница 22: ...margin min Black BM Bottom margin min Color BM Bottom margin min A4 210mm 8 3 297mm 11 7 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 3mm 0 12 21mm 0 83 3mm 0 12 Letter 216mm 8 5 279mm 11 0 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 3mm 0 12 21mm 0 83 3mm 0 12 B5 182mm 7 2 257mm 10 1 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 3mm 0 12 21mm 0 83 3mm 0 12 Lega 216mm 8 5 356mm 14 0 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 3...

Страница 23: ...Cartridge Type Exclusive cartridge Color Magenta Cyan Yellow Print capacity 150 pages A4 360 dpi 5 duty each color Ink life 2 years from production date Storage temperature 20 C 40 C Storage within a month at 40 C 30 C 40 C Packing storage within a month at 40 C 30 C 60 C Transit within 120 hours at 60 C and within a month at 40 Dimension 42 9 mm W x 52 7 mm D x 38 5 mm H Ink cartridge color Ink c...

Страница 24: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Страница 25: ...hanism Paper Loading Mechanism Ink System Pump Mechanism Cap Mechanism and Carriage Lock Mechanism Like other EPSON ink jet printers the Stylus C40UX C40SX C20UX C20SX is equipped with two stepping motors one for ASF Paper feeding Pump mechanism and one for CR mechanism ASF unit uses rear entry front eject system This ASF unit is also designed newly and single LD roller loads the paper to the prin...

Страница 26: ...e PZT drive voltage to prevent amount of ink from varying by printheads Following explains printhead basic components PZT PZT is an abbreviation of Piezo Electric Element Certain amount of voltage expands and contracts PTZ The drive wave generated on MAIN board drives PZT and PZT pushes the top cavity which has ink stored to discharge the ink from each nozzle on the nozzle plate Ink Cavity The ink...

Страница 27: ...g Method For print dot system Stylus C40UX C40SX C20UX C20SX has the following two kinds of printing modes Multiple shot printing Variable dot printing The above two printing modes are automatically selected depending on the media and the resolution setting of the printer driver The following explains each printing mode Multiple shot printing This printing mode is developed to improve the print qu...

Страница 28: ...etected with the HP PE IC sensor and the detection plate molded in the CR unit as following figure When the CR home position is detected with this sensor HIGH signal is output to the CPU Figure 2 5 CR home position Unlike the previous products I C detection sensor is not built in the CR unit The I C is detected with the HP PE IC sensor and the detection plate molded on the I C cover as following f...

Страница 29: ...ed as if that ink cartridge was replaced and the cleaning and ink counters are cleared If the High signal is not detected even once the cleaning and ink counter are not cleared If both the ink cartridges have not been set before carrying out initial filling the carriage moves to the position where both ink cartridges can be set but checking if the cartridge is open or closed is not done If one of ...

Страница 30: ... the PF motor drive to the PF roller and the Paper Eject Roller PF motor drive transmission path PF Motor Pinion Gear CW Spur Gear 60 PF roller CCW Spur Gear 60 PF roller CCW Table 2 2 PF Motor Specifications Figure 2 8 Paper Feeding Mechanism Paper loaded from ASF is advanced by the following roller Paper feed roller Paper guide roller assembled on the Top Frame Paper eject roller Star wheel roll...

Страница 31: ...n For the major feature of this ASF unit ASF HP sensor is not used and the single LD roller is built in the ASF unit Drive sent from the PF motor is always transmitted to the ASF unit side But the Change lever and the Clutch mechanism switch ON OFF the PF motor drive to the LD roller with the motor rotational direction Drive from the PF motor is transmitted to the ASF unit as described below Switc...

Страница 32: ...otor torque is switched to the ASF unit side by the clutch mechanism the function of the ASF mechanism varies depending on the rotational direction of the PF motor as shown in the table below Table 2 3 ASF unit function PF Motor rotational direction 1 The PF Motor rotational direction seen from the right side of the printer Clutch Mechanism Unlike the previous products this product dose not have a...

Страница 33: ...ion in the above Step3 s figure the Change lever moves to the right direction with the CW rotation of the Spur gear 25 6 And the drive from the PF motor is transmitted to the LD roller shaft via Clutch gear and Clutch lock tooth 4 The LD roller shaft rotates about 360 degree and the Change lever push the Clutch lever and the PF motor drive is interrupted This position is the ASF home position Pape...

Страница 34: ...n gear rotates CW direction and the drive from the PF motor is transmitted to the ASF LD roller shaft through the Clutch lock tooth and the Clutch gear The ASF hopper release lever rotates with the ASF LD roller and release the ASF Hopper The ASF hopper is pushed with the Compression spring 2 11 and the paper is picked up with the ASF LD roller The ASF LD roller rotates CW direction moreover and t...

Страница 35: ...ng mechanism and pump unit through the following gears Refer to the Figure 2 15 PF Motor Pinion Gear CCW Spur Gear 60 PF Roller CW Spur Gear 10 8 CW Combination Gear 18 28 CCW Spur Gear 27 2 CW Pump unit Table 2 4 PF motor rotational direction Ink System Mechanism 1 The PF Motor rotational direction seen from the right side of the printer Following figure shows the overview of the pump mechanism o...

Страница 36: ...iage is moved to the wiper set position Refer to Figure 2 17 Wiper Set Position 2 When the carriage moves to the wiper set position the hook on the lever lock slider engages locking the lever lock slider Refer to Figure 2 17 Wiper Set Position 3 If the carriage moves to the left side spring forces tends to force the cap back to its original position but it stops at the wiping position due to the l...

Страница 37: ...to keep the moisture in the cap and prevent that the air bubble occurs in CL sequence To get the same effects on new cap unit without the porous pad For keep the moisture in the cap The diameter of the ink eject hole is smaller than that of Stylus COLOR 480 For prevent that the air bubble occurs in CL sequence The cap is modified so that ink flows to ink eject hole with air bubble in CL sequence S...

Страница 38: ...ashing operation Prevents color from mixing Stabilizes ink surface inside the nozzle The above mentioned manual CL is executed by performing nozzle check pattern and manual CL alternately The cleaning order is CL1 CL2 CL1 CL1 CL1 Like the previous products CL1 is selected automatically and performed in case any print check is not executed between each manual CL Additionally if the manual CL is per...

Страница 39: ...of both ink s viscosity in the printhead nozzle during the continuous printing and the specific small amount of the ink is ejected in the cap based on the periodical flashing timer Periodical large amount Flashing This is due to avoid the increment of black ink s viscosity in the printhead nozzle during the continuous printing and large amount of the ink is ejected in the cap based on the periodic...

Страница 40: ...ult 360 x 360 Fine 360 ON ON MSD2 Quality 720 x 720 Photo 720 ON ON VSD 6pl Matte Paper Heavyweight Default 360 x 360 Fine 360 ON ON MSD2 Quality 720 x 720 Photo 720 ON ON VSD 6pl Photo paper Default 360 x 360 Fine 360 ON ON MSD2 Quality 720 x 720 Photo 720 ON ON VSD 6pl Photo Quality Glossy Film N A 720 x 720 Photo 720 OFF ON VSD 6pl Ink Jet transparencies N A 360 x 360 Normal 360 OFF ON MSD2 Tab...

Страница 41: ...nd their roles Figure 2 19 Electric Circuit 2 2 1 C417 PSB PSE board The power supply boards of Stylus C40UX C40SX C20UX C20SX use a RCC Ringing Chalk Converter circuit which generates 36VDC for drive line and 5VDC for logic line to drive the printer The application of the output voltage is described below Table 2 7 Application of the DC Voltages AC voltage input from AC inlet first goes through f...

Страница 42: ...the voltage level of 36DC line exceeds 48V this circuit stops the operation of the switching FET Q1 via PC1 Q82 Q83 and prevents high voltage from applied to the secondary side 36Vline over current protection circuit The output voltage is monitored by the F51 When the abnormal current is detected by F51 F51 is fused and cut off the 36V line output to the Main board 5V line over voltage protection ...

Страница 43: ...the Main board One CPU controls the all function on the main board 2 2 2 1 Main elements Table 2 8 shows the function of the each main elements on C413MAIN PROM 4M IC6 Address Data D RAM 1M IC5 Reset IC IC2 EEPROM IC3 CR1 Motor Driver IC10 5V Common Driver IC9 Q2 Q3 CN7 CN12 CN4 CN9 CN7 Parallel I F Common Driver IC7 CN3 USB Head CR Motor PF Motor HP PE IC Sensor C413MAIN B C413MAIN E01A24CA CPU I...

Страница 44: ...C H A P T E R 3 TROUBLESHOOTING ...

Страница 45: ...e 3 1 Troubleshooting Flowchart START Unit level Troubleshooting Unit repair Assemble Adjustment END Table 3 1 Motor Coil Resistance Motor Location Check Point Resistance CR Motor CN12 Pin 1 and 3 Pin 2 and 4 9 6 Ohms 10 at 25 C phase PF Motor CN7 Pin 1 and 3 Pin 2 and 4 7 35 Ohms 10 at 25 C phase Table 3 2 Sensor Check Point Sensor Name Check Point Signal Level Switch Mode HP PE Sensor CN4 Pin 1 ...

Страница 46: ...lor On 7 Maintenance request Ink Overflow Counter error Alt Blink Alt Blink 2 Fatal error Off On 1 Table 3 4 Error Condition and possible cause Symptom Possible Cause Check table Paper out error indication Paper is not loaded correctly The friction of the LD roller is lowered due to the paper dust The clutch mechanism is broken Tension spring 0 143 come off in the clutch mechanism Compression spri...

Страница 47: ...ack of the lubricant around the CR unit The both I C is not held in the CR unit securely The Paper eject frame is deformed Any foreign material is sticking around the printhead Paper feed accuracy is lowered Printer driver setting is not suitable Paper path has ink stain somewhere Table 3 20 Table 3 21 Table 3 22 Table 3 4 Error Condition and possible cause continued Symptom Possible Cause Check t...

Страница 48: ...on Step No Detail phenomenon Check point Remedy 4 When the print data is sent to the printer ASF LD roller continue to load the paper even if the first paper is loaded to the PF roller and the paper is ejected while the ASF hopper is flapping 1 Check if the tip of the Change lever has any damage 2 Check if the Compression spring 1 47 comes off from the Change lever If it is no problem proceed the ...

Страница 49: ...ectly If it is no problem proceed the next step Set the tip of the Spur gear 60 to the PF motor pinion and assemble it correctly Star wheel assy Spur gear 60 PF motor pinion Table 3 9 Paper jam error indication Step No Detail phenomenon Check point Remedy 3 Paper is loaded correctly from ASF But after complete the print job paper jam indicated on the screen without any paper jam Check if the Torsi...

Страница 50: ...3 Connect the CN4 connector cable to the CN4 on the Main board 4 Replace the LD unit with new one 5 If the problem is not solved replace the Main board with new one Tension Spring 0 22 PE sensor lever Table 3 11 Paper Jam Error indication Step No Detail phenomenon Check point Remedy 5 When the printer is turned on the CR unit dose not move at all in the power on sequence 1 Check if the CR motor co...

Страница 51: ...he Change lever Printer mechanism with new one Torsion spring 26 Change lever Table 3 15 Fatal Error indication Step No Detail phenomenon Check point Remedy 4 When the printer is turned on it sounds strange noise and the CR unit is stopped around the CR lock lever 1 Check if the compression spring 1 47 is installed securely on the change lever 2 Check if the PF motor is operated Check the CN7 conn...

Страница 52: ...issing occur and it is not recovered with CL Step No Detail phenomenon Check point Remedy 1 In the CL sequence the pump unit seems work correctly But ink is not ejected to the waste ink pad at all Moreover any ink is not absorbed from the head to the cap 1 Check if ink is ejected to the waste ink pad via pump unit in the CL sequence 2 Check if there is any foreign material around the seal rubber p...

Страница 53: ...ce the Printer mechanism with new one Pump tube connection point Tube Cap assy Pump unit Table 3 19 Dot missing occur and it is not recovered with CL Step No Detail phenomenon Check point Remedy 2 In the CL sequence ink is ejected to the Waste ink pad this means pump unit cap unit are working correctly But the dot missing is not solved at the specific nozzles even if the several CLs are performed ...

Страница 54: ... amount of the G 58 4 Replace the Paper eject frame with new one CR movement direction G 58 lubrication Table 3 21 Print quality is not good Step No Detail phenomenon Check point Remedy 1 Ditto 5 Replace the following parts CR motor CR timing belt Compression spring 11 8 2 Micro banding appears horizontally againstthe paper feeding direction and it appears with the same width 1 Check if each segme...

Страница 55: ...head ID into the EEPROM by using the Adjustment program 4 Ink stains the paper 1 Check if the following parts are stained with ink PF roller Paper guide front Paper eject roller 2 Check if there is some ink drops around the backside of the printhead 3 If the bottom area of the printed paper has ink stain check if the Paper eject frame is secured with three screws 4 If the bottom area of the printe...

Страница 56: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Страница 57: ...is manual Wear protective goggles to protect your eyes from ink If ink gets in your eye flush the eye with fresh water and see a doctor immediately Always wear gloves for disassembly and reassembly to avoid injury from sharp metal edges To protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing internal components Never touch t...

Страница 58: ...is manual specifies to do so When transporting the printer after installing the ink cartridge be sure to pack the printer for transportation without removing the ink cartridge Use only recommended tools for disassembling assembling or adjusting the printer Observe the specified torque when tightening screws Apply lubricants and adhesives as specified See Chapter 6 for details Make the specified ad...

Страница 59: ...void damaging the printer Table 4 1 4 1 3 Screws Table 4 2 Name Supplier Parts No Phillips Screw Driver No 1 EPSON B743800100 Phillips Screw Driver No 2 EPSON B743800200 Nipper EPSON B740500100 Tweezers EPSON B741000100 No Name and Specification Outward Form 1 CBS 3x6 2 CBP 3x8 3 CBS P2 3x6 4 CBS 3x8 5 C P F S Tite 3x12 ...

Страница 60: ... at the correct temperature Not too heated Checked Not necessary Paper Feeding Mechanism Is paper advanced smoothly No paper jamming No paper skew No multiple feeding No abnormal noise Checked Not necessary Is the PF Motor at correct temperature Checked Not necessary Is the paper path free of any obstructions Checked Not necessary Adjustment Specified Adjustment Are all the adjustment done correct...

Страница 61: ...dge guide is in the upper housing s notch position Figure 4 2 Position of Edge guide C A U T I O N Do not remove the Main Frame from the Lower Housing to avoid the deformation of the Main Frame Therefore you cannot remove the following parts Lower Housing Main Frame PF Motor Pump Unit Cap Unit PF Roller Assy Upper housing removal Page 61 ASF unit removal PS unit removal MAIN board removal LD unit ...

Страница 62: ...wdriver Figure 4 3 Removing the front hook 3 Remove the 2 hooks on the sides by pushing the tops of the hooks up Figure 4 4 Removing the side hook 4 Remove the 3 hooks at the back using a screwdriver or similar tool Figure 4 5 Removing the back hook C A U T I O N The printer should not turn when the front 2 hooks are removed Upper housing ...

Страница 63: ...emove it When installing the ASF unit install the spring in the guide then install it while supporting it by hand Figure 4 7 reassembling the ASF unit When reassembling the ASF unit tighten screws form lower numbers in Figure4 6 Tightening Torque for screw C B S 3x6 9 1 kgf cm C B S P2 3x6 9 1 kgf cm C B P 3x8 6 1 kgf cm CBP 3 8 CBP 3 6 CBS P2 3 6 3 1 2 A D J U S T M E N T R E Q U I R E D The Top ...

Страница 64: ...emoving the Waste ink pad When assembling the Waste ink pad be sure to set the tip of the ink tube in the correct position of the Waste ink pad Otherwise it will cause ink leakage Figure 4 9 Tip of ink tube setting position tube stopper Waste ink pad Tip of ink tube A D J U S T M E N T R E Q U I R E D When the Waste ink pad is replaced with a new one following service item is required Waste ink co...

Страница 65: ...ws Figure 4 10 Removing the PS unit 5 Pull the PS unit out while lifting up on it C B P 3 8 C B S 3 6 PS unit CN2 When installing the PS unit make sure the claws are attached to the hooks on the lower housing Figure 4 11 Reassembling the PS unit Do not insert the pin of the PS cable to the leftmost side of the connector because the 1st pint of its cable is cut Figure 4 12 Connecting the PS cable C...

Страница 66: ...1 2 Grip the dowel pin of the PE roller s gear turn it clockwise and release the carriage lock Figure 4 13 Releasing the carriage lock 3 Move the carriage to the center 4 Take out the two screws Figure 4 14 Take out the screw 5 Return the carriage to the home position then remove the Front Frame Figure 4 15 Removing the Front Frame Protrusion CBS 3 6 Front Frame ...

Страница 67: ... then remove the Paper eject roller Figure 4 17 Removing the Paper eject roller Paper Eject roller Gear C A U T I O N If the Paper eject roller gear and Paper eject roller shaft are removed or make sure that neither of the Paper eject roller shaft hooks is damaged If either of the hooks is damaged it should be replaced with a new one Figure 4 18 Hook of Paper eject roller Tightening Torque for scr...

Страница 68: ...eft and the PF roller by rotating the protrusion of the Paper Eject roller gear in CW direction Figure 4 19 Place the OHP sheet 3 Press the dowel of the paper guide unit with tweezers etc then pull it forward and remove it Figure 4 20 Removing the Paper Guide Upper Left C A U T I O N Perform this operation by the following procedures so that the coating material of the PF roller does not damage Pr...

Страница 69: ...F roller Figure 4 22 Placing the OHP sheet OHP paper 3 3 3 3 Assemble the Paper Guide Upper Left to the Main Frame Figure 4 23 Assembling the Paper Guide 1 4 4 4 4 Fix the dowel of the Paper Guide Upper Left to the hole of the Main Frame by sliding the Paper Guide Upper Left to the right side And release the spring from the hook of the Paper Guide Upper Left Figure 4 24 Assembling the Paper Guide ...

Страница 70: ...UX C20SX Revision B Disassembly and Assembly Disassembly 70 5 5 5 5 Eject the OHP sheet from the printer by rotating the protrusion of the Paper Eject roller gear in CW direction Figure 4 25 Ejecting the OHP sheet Protrusion ...

Страница 71: ... 2 1 2 Remove the ASF unit Refer to Section 4 2 2 3 Remove the PS unit Refer to Section 4 2 4 4 Remove the two hooks then remove the Switch cover Figure 4 26 Removing the Switch cover 5 Remove the three screws then remove the shield cover Figure 4 27 Removing the Shield cover Switch cover Hooks CBS 3 6 USB Type Parallel Type CBS 3 6 C P F S Tight 3 12 ...

Страница 72: ...ce items Before removing the Main Board connect the parallel cable or USB cable and try to read out the following data by using the Adjustment program If this operation succeeds replace the Main board and write the read out data to the new Main board through the Adjustment program Refer to Section 5 1 14 1 I C Ink consumption counter 2 Waste ink drain pad counter 3 EEPROM Initial setting 4 Head ID...

Страница 73: ... Take out the screw then remove the CR motor from the frame Figure 4 31 Removing the CR motor 5 Disconnect connector CN7 from the MAIN board then disconnect the cable Driven pulley Timing belt CR pinion gear CR motor CBS 3 6 When reassembling the CR motor it contact the lib of Main frame after turning clockwise Figure 4 32 Reassembling the CR motor Tightening Torque for screw C B S 3x6 screw 9 1 k...

Страница 74: ...en remove the timing belt from the CR pinion gear Figure 4 33 Removing the Timing belt 5 Disconnect the FFC from the carriage unit Figure 4 34 Disconnecting the FFC 6 Press on the left and right inside of the carriage unit then pull the unit forward and remove the cover Figure 4 35 Removing the Carriage cover 7 Lift the Printhead unit up and remove it Figure 4 36 Removing the Printhead unit CR pin...

Страница 75: ...e timing belt is set in the assembling groove correctly as following figure FFC Timing belt A D J U S T M E N T R E Q U I R E D When the Printhead is replaced with a new one following adjustments must be performed in the order below Refer to Table 5 1 1 Initial ink charge 2 Head ID input 3 Bi D adjustment When the Printhead is removed and reinstalled only the following adjustment is required Refer...

Страница 76: ...the LD unit 4 Disconnect connector CN4 form the MAIN board Figure 4 38 Disconnecting the Cables 5 Push the two hooks on the LD unit then lift it up and remove hook of pump unit Figure 4 39 Removing the LD unit LD unit Cables Hooks When reassembling the LD unit make sure that seven hooks are set to the Main frame Figure 4 40 Setting seven hooks A D J U S T M E N T R E Q U I R E D The Top Margin adj...

Страница 77: ...Section 4 2 2 3 Remove the PS unit Refer to Section 4 2 4 4 Remove the Printhead unit Refer to Section 4 2 9 5 Remove the Paper eject roller Refer to Section 4 2 5 A D J U S T M E N T R E Q U I R E D When the Printer mechanism with a new one following adjustments must be performed in the order below Refer to Table 5 1 1 Initial ink charge 2 Head ID input 3 Top margin adjustment 4 Bi D adjustment ...

Страница 78: ...C H A P T E R 5 ADJUSTMENT ...

Страница 79: ...t Program In this printer it is necessary to set the adjusting information for each printer mechanism in order to maintain consistent printing function and quality eliminating differences of each printer mechanism s characteristics Therefore in case that the combination of the printer mechanism and main board changes or the print head is replaced during the repair service you must set and save the...

Страница 80: ... LPT2 LPT3 EPUSB1 EPUSB2 EPUSB3 1 When you run this program the following menu appears Select the model name in the screen below Figure 5 1 Model Name Selection NOTE This printer stores model name in the PROM Therefore even you select the model name in the screen above model name will not stored in the EEPROM Selecting model name in the screen above determines respective special command for each m...

Страница 81: ...E 1284 4 protocol So this program can get the several error statuses even if the printer is error condition and can control the printer under the error condition Following explain you the common function of the Adjustment program Quit If you want to exit this program click the Quit button Following menu is displayed on the screen And clicking the Quit Button in the following menu exit the adjustme...

Страница 82: ...he printer status even if the printer is error condition except the main logic circuit failure and control the printer by using the D4 mode functions Figure 5 5 Get status function C A U T I O N This program dose not display the Paper out error status in the Bi d adjustment even if the paper is out in the ASF When the paper is out in the ASF this program continues to send the paper feed command un...

Страница 83: ...ion enables you to write printhead Voltage ID into the specific address of the EEPROM This operation is considered the most important to maintain proper ink discharging system If any ID is not written correctly it results in white or color lines and also gives bad influence on dot weight 1 When replacing any of the parts above make a note of VH voltage ID in advance You can find the VH voltage ID ...

Страница 84: ...ata is displayed Figure 5 8 Read out the Head ID from the EEPROM 5 Choose the Change data item in the Head ID input menu and click the OK button Following Head ID input menu is displayed Input a 6 digit code of the Head Voltage ID in the following menu Figure 5 9 Entering the 6 digits Head ID 6 When the Head ID is input and writes to the EEPROM the message is displayed on the bottom column in the ...

Страница 85: ... 11 Bi d adjustment pattern NOTE As shown in the sample gaps between passes are sometimes created in different directions among patterns This unexpected change in direction is caused by an ink jet printer specific reason which is an ink jet printer inevitably performs a periodical cleaning specified by the flashing timer even during Bi D pattern printing so that the printing direction suddenly cha...

Страница 86: ...EPROM When the Printer and the PC are connected with a USB cable the USB port driver loads the unique code from the specific address of the printer s EEPROM and the provides the USB port number to the unique code The USB port driver controls the several USB ports under the Windows 98 environment A unique code called USB ID is input to the specific address of the EEPROM in our manufactory and the f...

Страница 87: ...he serial number in the input menu and click OK button NOTE Even though you input irresponsible another 10digits code and click the OK button the program allow to input the code and write down it the specific address of the EEPROM But there is a possibility that the code is not unique and the code conflicts another USB ID in the USB port driver C A U T I O N In case the USB ID is not input in the ...

Страница 88: ...nism Replacing the main board 1 Choose the Top margin in the Adjustment menu Figure 5 16 Choose the Top margin menu 2 Choose the Print the Top margin in the Top margin adjustment and click the OK button Figure 5 17 Top margin adjustment pattern 3 Check that the printed horizontal line is in 2 6mm 7 2mm from the top of the paper If it is out of the specific range perform the Top Margin adjustment b...

Страница 89: ...he Previous button then select Print the Top Margin and click the OK button 5 1 9 Head cleaning This printhead cleaning is CL1 and about 1 8 of the brand new black I C and 1 17 of the brand new color I C are consumed Before use this function check the remaining ink amount of the both I C by using the Get status function 1 Choose the Head cleaning in the Maintenance menu Figure 5 19 Choose the Head...

Страница 90: ...the Refurbishment for DOA menu C A U T I O N Before you perform the initial ink charge operation replace the installed cartridges with new ones because the ink amount used for the initial ink charge operation is so large C A U T I O N After carry out this function replace the waste drain ink pad with new one and reset the Waste drain ink pad counter Otherwise the ink or S46 liquid may leak from th...

Страница 91: ...20UX C20SX Revision B Adjustment Overview 91 2 Set the dummy cartridge in the printer using the ink replacement function 3 Select Yes under Item then click the OK button The Refurbishment for DOA function is then executed ...

Страница 92: ...eck the present counter values in the Maintenance menu and click the OK button Figure 5 22 Choose the Check the present counter value 2 After read the Caution description on the above menu click the OK button in the menu The present counter value is displayed on the bottom column as following figure Figure 5 23 Present counter value 3 If the present counter value is over 5845 points we recommend y...

Страница 93: ...e the Clear the present counter value 2 After you read the description on the menu click the OK button Figure 5 25 Clear the present counter value C A U T I O N Be sure to replace the installed waste ink pad with a new one after or before you clear the current protection counter value C H E C K P O I N T The initial value of the Protection counter is differ by destination as bellow ESP 0 Excepting...

Страница 94: ...ance menu The main menu of this function is as following figure The following two functions are built in this program Figure 5 26 EEPROM check function Check the EEPROM data You can check the specific data stored in the specific address of the EEPROM Input the specific address with hexadecimal code Use this function in your analysis usefully Figure 5 27 Check the EEPROM data Change EEPROM data You...

Страница 95: ...nce menu Figure 5 29 EEPROM backup data 2 The EEPROM data on the current MAIN board are backed up by clicking the OK button The following message is displayed when the data backup operation is completed Replace the printer s MAIN board then turn the power ON again and click the OK button Figure 5 30 Replace the defective main board with new one 3 The backed up data will be written to the EEPROM on...

Страница 96: ...tern printing C H E C K P O I N T The check point for the first black and each color solid pattern beta pattern 360 x 360dpi normal dot in the A4 Check pattern is as follows Any white line is not observed Uneven banding is not observed extremely The check point for the second Nozzle check pattern 120dpi is as follows Ink is fired from all nozzles Uneven banding is not observed extremely The check ...

Страница 97: ...Stylus C40UX C40SX C20UX C20SX Revision B Adjustment Overview 97 Figure 5 32 A4 Check pattern ...

Страница 98: ...C H A P T E R 6 MAINTENANCE ...

Страница 99: ... the surface of ASF LD Roller lowers the friction set the adhesive surface of the cleaning sheet included in the media to the surface of the ASF roller and repeat loading paper from the ASF C A U T I O N Never use chemical solvents such as thinner benzine and acetone to clean the exterior parts of printer like the housing These chemicals may deform or deteriorate the components of the printer Be c...

Страница 100: ...unter along with the firmware version ink counter select code page nozzle check pattern on the status printing sheet If the ink counter value is close to its limit notify your customer and recommend that the waste ink pad be replaced If the waste ink pad is not replaced at that time there is a possibility that Maintenance Error will occur soon after the printer is returned to the customer Once you...

Страница 101: ...se on the Front frame 2 Lubrication Point Specified area on the Front frame Refer to Figure 6 2 Lubrication point 2 Lubrication Type G 58 Lubrication Amount Φ1mm x 200mm Use a syringe to apply it After lubrication move the CR unit left or right and smooth out the grease on the Front frame 3 Lubrication Point Specified area on the Paper eject roller Refer to Figure 6 3 Lubrication point 3 Lubricati...

Страница 102: ...Stylus C40UX C40SX C20UX C20SX Revision B Maintenance Overview 102 Figure 6 2 Lubrication point 2 Figure 6 3 Lubrication point 3 200mm G 58 G 46 ...

Страница 103: ...C H A P T E R 1 9 7 APPENDIX ...

Страница 104: ...er Mechanism HP PE IC CN7 PF Motor CN4 CN1 Parallel I F C413MAIN CN3 C413MAIN B USB I F C413MAIN B CN9 For connection with the Print Head Table 7 5 CN2 For connection with the Power supply board Table 7 6 CN1 For connection with the parallel interface Refer to IEEE 1284 Parallel Interface Forward Channel CN3 For connection with the USB interface Refer to 1 3 1 USB INterface Table 7 2 CN4 HP PE IC ...

Страница 105: ...l nozzle fire selection pulse 7 GND Ground 8 SCK Out Serial clock 9 GND Ground 10 SI2 Out Print data output 2 11 SP Out Select signal for CH signal 12 SI1 Out Print data output 1 13 VDD Logic power supply 5V 14 GND9 Ground 15 COM Head drive pulse trapezoid waveform 16 VHV 42V power supply for nozzle selector Table 7 6 CN2 Power Supply Board Pin Signal Name I O Function 1 PSC Out Power supply switc...

Страница 106: ...C CSIC changed Flag1 Bit2 YMC cartridge change and cleaned 0 first cartridge 1 changed Bit1 Black cartridge change and cleaned 0 first cartridge 1 changed Bit0 Black cartridge change and cleaned 0 with YMC cartridge 1 alone 00H 00H 02H CL time 00H 00H 03H 00H 00H 04H CPU Time 00H 00H 05H 00H 00H 06H accumulated printing time 00H 00H 07H 00H 00H 08H Intial Charge Counter 00H 00H 09H 04mode I F Bit7...

Страница 107: ... 7 EEPROM Address Map Address Explanation Setting QPIT setting Factory setting 2BH Bi DAdjustmentfor ND Cl shift Value 72 n 72 Units 1 1440inchWorkaround Bi 00H 1 2CH Reserved 00H 00H 2DH Manufacturer setting Bit7 Name mode Bit6 Bit5 Customer name Bit0 00H 1 d 2EH Reserved 00H 00H 2FH Reserved 00H 00H 30H Interface selectionow Bit7 6 5 4 Reserved Bit3 USB Bit2 Reserved Bit1 Parallel Bit0 Auto 00H ...

Страница 108: ...4 00H 1 43H Head Actuator Rank ID for VhU 1 n 40 00H 1 44H Head Actuator Rank ID for VhM2 1 n 34 00H 1 45H Head Actuator Rank ID for VhB 1 n 34 00H 1 46H Head Actuator Rank ID for AR 0 n 6 00H 1 Address Explanation Setting QPIT setting Factory setting 47H Head Actuator Rank ID for IwB 30 n 70 00H 1 48H Head Actuator Rank ID for IwC 30 n 70 00H 1 49H Head Actuator Rank ID for IwM 30 n 70 00H 1 4AH ...

Страница 109: ...to 0 1 On 1 0 Off Bit7 Bit6 Name mode 0 0 Ineffective 0 1 Apply to the Description and Manufacturer 1 0 Apply to the Description 1 1 ReserveddAp Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Customer name 0 0 0 0 0 0 0 0 0 0 0 1 Acer 0 0 0 0 1 0 Apple 0 0 0 0 1 1 Compaq 0 0 0 1 0 0 Dell 0 0 0 1 0 1 eMachines 0 0 0 1 1 0 Fujitsu 0 0 0 1 1 1 Hewlett Packard 0 0 1 0 0 0 IBM 0 0 1 0 0 1 Gateway 0 0 1 0 1 0 NEC 0 0 1 ...

Страница 110: ...Stylus C40UX C40SX C20UX C20SX Revision B Appendix Component Layout 110 7 3 Component Layout Figure 7 2 C413MAIN component layout Figure 7 3 C413MAIN B component layout ...

Страница 111: ...Stylus C40UX C40SX C20UX C20SX Revision B Appendix Component Layout 111 Figure 7 4 C417PSB component layout Figure 7 5 C417PSE component layout ...

Страница 112: ... ASSY CR 510 HOUSING LOWER 511 FOOT 512 FRAME FRONT ASSY C413 ASP 513 C B S SCREW B300204211 600 POROUSPAD INKEJECT 601 POROUS PAD TUBE STOPPER 602 SHIELD PLATE M B 603 C B P TITE SCREW 3X8 F ZN 604 C B S SCREW B300204211 700 EDGE GUIDE 701 HOPPER 702 PAD HOPPER 703 COMPRESSION SPRING 2 50 704 FRAME ASF 705 HOLDER PAD 706 PAD LD D 707 TORSION SPRING 29 1 708 C B S SCREW B300204211 709 C B P TITE S...

Страница 113: ...C40UX C40SX C20UX C20SX Revision B Appendix Exploded Diagram 113 7 5 Exploded Diagram Following pages shows exploded diagram Figure 7 6 Stylus C40UX C40SX C20UX C20SX Exploded Diagram 1 101 100 102 105 103 104 ...

Страница 114: ...s C40UX C40SX C20UX C20SX Revision B Appendix Exploded Diagram 114 Figure 7 7 Stylus C40UX C40SX C20UX C20SX Exploded Diagram 2 for 220V except ETT 200 forEURO EAI 220V ASIA 220V EAL RUSSIA for 120V 400 300 ...

Страница 115: ...20UX C20SX Revision B Appendix Exploded Diagram 115 Figure 7 8 Stylus C40UX C40SX C20UX C20SX Exploded Diagram 3 509 513 X 2 B 505 501 502 503 504 512 513 513 510 511 511 511 F C A D 508 506 507 511 500 SO S S C C S C C S ...

Страница 116: ...Stylus C40UX C40SX C20UX C20SX Revision B Appendix Exploded Diagram 116 Figure 7 9 Stylus C40UX C20UX Exploded Diagram 4 601 600 602 603 604 604 604 604 604 604 ...

Страница 117: ...Stylus C40UX C40SX C20UX C20SX Revision B Appendix Exploded Diagram 117 Figure 7 10 Stylus C40SX C20SX Exploded Diagram 4 601 600 602 603 604 604 604 605 605 ...

Страница 118: ...Stylus C40UX C40SX C20UX C20SX Revision B Appendix Exploded Diagram 118 Figure 7 11 Stylus C40UX C40SX C20UX C20SX Exploded Diagram 5 709 707 708 703 704 705 706 701 700 702 710 ...

Страница 119: ...lectrical Circuits See the following pages for the electric circuit diagrams below C413MAIN control circuit board C413MAIN B control circuit board C413MAIN C control circuit board C413MAIN D control circuit board C413PSB power supply circuit board C413PSE power supply circuit board ...

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