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2DA/2DB-1

1-4-3

Section

Item

Maintenance item contents

Initial

No.

setting*

U100 Checking the operation of main high voltage

132/60/50/10

U101 Setting high voltages

• Developing bias

27/45/22/45

• Transfer voltage

166/177/37/35

• Separation voltage

1/35/42

U110 Checking/clearing the drum count

—

U130 Initial setting for the developer

—

U144 Setting toner loading operation

OFF

U157 Checking/clearing the developing drive time

—

U158 Checking the developing count

—

U161 Setting the fixing control temperature

• Primary stabilization fixing temperature

140

• Secondary stabilization fixing temperature

160

• Copying operation temperature 1

170

• Copying operation temperature 2

180

• Number of sheets for fixing control

• Number of sheets for fixing control (thick paper)

U162 Stabilizing fixing forcibly

—

U163 Resetting the fixing problem data

—

U167 Checking/clearing fixing counts

—

U199 Checking the fixing temperature

—

U200 Turning all LEDs on

—

U202 Setting the KMAS host monitoring system

—

U203 Checking DP operation

—

U204 Setting the presence or absence of a key card or key counter

—

U207 Checking the operation panel keys

—

U243 Checking the operation of the DP motors and solenoids

—

U244 Checking the DP switches

—

U245 Checking messages

—

U246 Setting the finisher

4/4/4

U249 Checking the paper ejection to optional devices

—

U250 Setting the maintenance cycle

150000

U251 Checking/clearing the maintenance count

—

U252 Setting the destination

Japan

U253 Switching between double and single counts

Double count

U254 Turning auto start function on/off

U258 Switching copy operation at toner empty detection

Single mode

U260 Changing the copy count timing

After ejection

U264 Setting the display order of the date

Inch

specifications:

MONTH-DATE-YEAR

Metric

specifications:

DATE-MONTH-YEAR

U265 Setting OEM purchaser code

—

U277 Setting auto application change time

U326 Setting the black line cleaning indication

U332 Setting the size conversion factor

—

U341 Specific paper feed location setting for printing function

—

U342 Setting the ejection restriction

U343 Switching between duplex/simplex copy mode

Off

* Initial setting for executing maintenance item U020

High voltage

Developing

Fixing and
cleaning

Operation
panel and
support
equipment

Mode setting

Содержание cd 1116

Страница 1: ...Service Manual Copy CD 1116 CD 1120 Rev 1 ...

Страница 2: ...Service Manual Copy DC 2116 DC 2120 Rev 1 ...

Страница 3: ...osion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions CAUTION Double pole neutral fusing ...

Страница 4: ...This page is intentionally left blank ...

Страница 5: ...rsonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities ...

Страница 6: ...ompliance with warning messages using this symbol WARNING Serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect compliance with warning messages using this symbol Symbols The triangle symbol indicates a warning includi...

Страница 7: ...d or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Always handle the machine by the correct ...

Страница 8: ...e clean Dirt on them can cause abnormally high temperatures Do not remove the ozone filter if any from the copier except for routine replacement 2 Precautions for Maintenance WARNING Always remove the power plug from the wall outlet before starting machine disassembly Always follow the procedures for maintenance described in the service manual and other related brochures Under no circumstances att...

Страница 9: ...at all the caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by following the instructions below Use only a small amount of solvent at a time being careful not to spill Wipe spills off completely Ventilate the room well while using grease or solvents Allow app...

Страница 10: ...em option 1 3 35 1 3 11 Installing the scan system option 1 3 43 1 3 12 Installing the hard disk option 1 3 45 1 4 Maintenance Mode 1 4 1 Maintenance mode 1 4 1 1 Executing a maintenance item 1 4 1 2 Maintenance modes item list 1 4 2 3 Contents of maintenance mode items 1 4 5 1 4 2 Management mode 1 4 54 1 Using the management mode 1 4 54 2 Setting the job accounting 1 4 55 3 Copy default 1 4 56 4...

Страница 11: ...not operate 1 5 35 12 The drawer paper feed clutch does not operate 1 5 36 13 The cleaning lamp does not turn on 1 5 36 14 The exposure lamp does not turn on 1 5 36 15 The exposure lamp does not turn off 1 5 36 16 The fixing heater does not turn on C6000 1 5 36 17 The fixing heater does not turn off 1 5 36 18 Main charging is not performed 1 5 36 19 Transfer charging is not performed 1 5 37 20 No ...

Страница 12: ...6 23 2 2 Fitting the scanner wires 1 6 25 3 Detaching and refitting the ISU reference 1 6 28 4 Detaching and refitting the laser scanner unit 1 6 29 5 Adjusting the longitudinal squareness reference 1 6 32 6 Adjusting magnification of the scanner in the main scanning direction 1 6 33 7 Adjusting magnification of the scanner in the auxiliary scanning direction 1 6 34 8 Adjusting the scanner leading...

Страница 13: ...k sections 2 1 17 2 1 8 Duplex section 2 1 18 1 Paper conveying operation in duplex copying 2 1 19 2 2 Electrical Parts Layout 2 2 1 Electrical parts layout 2 2 1 1 PCBs 2 2 1 2 Switches and sensors 2 2 2 3 Motors 2 2 4 4 Other electrical components 2 2 5 2 3 Operation of the PCBs 2 3 1 Power source PCB 2 3 1 2 3 2 Main PCB 2 3 4 2 3 3 Engine PCB 2 3 8 2 3 4 Printer board PCB 2 3 14 2 3 5 Operatio...

Страница 14: ...nual feed Capacity Bypass 50 sheets A4 11 81 2 or less 25 sheets A3 B4 11 17 81 2 14 Paper ejection system In machine ejection face down Capacity 250 sheets 80 g m2 Continuous copying 1 999 sheets Photoconductor OPC drum diameter 30 mm Charging system Single positive corona charging Recording system Semiconductor laser Developing system Single component developing system Toner magnetism toner Tone...

Страница 15: ...ument processer paper feeder duplex unit finisher job separator key counter fax system network scanner hard disk and additional memory Printer functions Printing speed Same as copying speed First print time Approx 5 5 s A4 11 81 2 Resolution 300 dpi 600 dpi Fast 1200 mode Memory 64 MB standard Additional memory 32 MB 64 MB 128 MB and 256 MB Hard disk 340 MB 512 MB and 1 GB Applicable OS Microsoft ...

Страница 16: ...h guide 7 Length guide 8 Left cover handle 9 Bypass tray 0 Support guide Slider Contact glass Original size indicator plates Left cover Waste toner box Toner container release lever Toner container Cleaner rod Front cover Power switch Power switch cover Handles for transport Network interface connector USB interface connector ﬁ Parallel interface connector ﬂ Memory card slot ...

Страница 17: ...d indicator Margin key and indicator Sort key and indicator Staple key and indicator Program key Zoom key Left cursor key Auto 100 key Down cursor key Original Size key Up cursor key Paper Select key Right cursor key Enter key Image quality mode select key Auto Exposure key Lighter key Darker key exposure display ﬁ Message display ﬂ Ready indicator Data indicator Attention indicator Job Accounting...

Страница 18: ...2 Optical section 3 Drum section 4 Developing section 5 Transfer and separation section 6 Fixing section 7 Exit and switchback section 8 Duplex section Figure 1 1 3 Machine cross section 1 1 3 Machine cross section Light path Paper path ...

Страница 19: ...istration motor gear 5 Gear 32 6 Gear 25 7 Gear 25 8 Gear 20 9 Paper feed clutch gear 0 Gear 30 Gear 31 Gear 25 Gear 49 Gear 30 23 Developing gear 25 Developing gear 26 Fixing joint gear 29 Gear 40 Gear 40 Gear 88 34 Gear 40 Fixing joint gear 40 Coupling gear Gear 50 ﬁ Gear 60 ﬂ Exit motor gear Gear 43 20 ...

Страница 20: ...en 20 C 4 F and 55 C 131 F and at a relative humidity not higher than 90 RH Avoid abrupt changes in temperature and humidity Avoid exposure to any substance which is harmful to or may affect the quality of the drum Do not touch the drum surface with any object Should it be touched by hands or stained with oil clean it 1 2 2 Toner Store the toner in a cool dark place Avoid direct light and high hum...

Страница 21: ...Choose a surface capable of supporting the weight of the machine Place the machine on a level surface maximum allowance inclination 1 Avoid air borne substances that may adversely affect the machine or degrade the photoconductor such as mercury acidic of alkaline vapors inorganic gasses NOx SOx gases and chlorine based organic solvents Select a room with good ventilation 6 Allow sufficient access ...

Страница 22: ...stall the original cover or the optional DP Connect the power cord Load paper Make test copies Output an own status report maintenance item U000 Exit maintenance mode Start Install the toner container Installing the toner maintenance item U130 Install the optional duplex unit Install the optional finisher or job separator End of installation ...

Страница 23: ...t pad 7 Upper left pad 8 Upper right pad 9 Inner frame 0 Left spacer Rear spacer Rear pad Skid Belt Eject sheet Machine cover Bar code labels Top sheet Original holder Asia and Oceania Operation guide Cassette size sheet Paper protection bag Error code label Inspection report 16 ppm model Place the machine on a level surface ...

Страница 24: ...pper left pad 8 Upper right pad 9 Inner frame 0 Left spacer Rear spacer Rear pad Skid Belt Eject sheet Machine cover Bar code labels Top sheet Original holder Asia and Oceania Front pad Operation guide Cassette size sheet Paper protection bag Error code label Inspection report 20 ppm model Place the machine on a level surface ...

Страница 25: ...e 1 3 7 to 1 3 8 1 Remove the ten tapes 16 ppm model Remove the fifteen tapes 20 ppm model Install the optional paper feeder Remove the tapes and pins Tapes Tapes Tape Tapes Tapes Tapes Tapes Tapes Tape Tapes Tape Tape 16 ppm model 20 ppm model Tape 2 Remove the two pins for light source unit Pins ...

Страница 26: ...r container release lever 6 Close the front cover Toner container release lever Toner container Figure 1 3 4 Connect the power cord 1 Connect the power cord to the connector on the MFP 2 Insert the power plug into the wall outlet and turn the power switch on Installing the toner maintenance item U130 1 Enter the maintenance mode by entering 10871087 using the numeric keys 2 Enter 130 using the num...

Страница 27: ...ng initial copy modes Factory settings are as follows Maintenance item No Contents Factory setting U253 U254 U258 U260 U264 U277 U326 U342 U343 U344 Switching between double and single counts Turning auto start function on off Switching copy operation at toner empty detection Changing the copy count timing Setting the display order of the date Setting auto aplication change time Setting the black ...

Страница 28: ...sections of the first paper feeder with the positioning pins at the rear part of the second paper feeder For 16 ppm model three paper feeders can be added For 20 ppm model two paper feeders can be added 2 If a type of paper that is not included in the specifications for the standard sheet cassette size is used replace the cassette size sheet indication with the supplied one 3 Insert the MFP power ...

Страница 29: ...at steps 2 and 3 until an adequate image is obtained Adjusting the center line 1 Run maintenance mode 034 Select ADJ LSU OUT TIMING and press the start key First optional cassette Select LSU T1 Second optional cassette Select LSU T2 Third optional cassette Select LSU T3 For models equipped with two standard cassettes adjust only LSU T2 and LSU T3 Press the Interrupt key to output the test pattern ...

Страница 30: ... that the projection is securely inserted into the hole and that the drawer heater does not move forward backward or right left 4 Fit the ground plate to the drawer heater mounting plate using the M3 6 taptite S binding screw Figure 1 3 9 1 5 Insert the drawer heater mounting plate from the front side of the machine pass the drawer heater wire through the hole on the frame at the rear side of the ...

Страница 31: ...de of the machine Figure 1 3 9 3 Figure 1 3 9 4 Drawer heater mounting plate Fitting portion Fitting portion Positioning portion 8 Connect the connector of the drawer heater wire to YC3 on the drawer heater PCB Put the drawer heater wire inside the paper feeder cover by bending 9 Refit all the removed parts Drawer heater wire Drawer heater PCB YC3 1 3 8 2 ...

Страница 32: ...he lower frame 3 Place the DP on the MFP by fitting the pins into the holes at the hinge sections of the DP and sliding them toward the front side 4 Secure the DP with the two TP Taptite chromate screws M4 10 and the two screws that have been removed in step 1 Screw Screw Pin Pin Figure 1 3 10 Pin Hole Hole Pin DP Figure 1 3 11 Screw TP Taptite chromate screw M4 10 TP Taptite chromate screw M4 10 ...

Страница 33: ...n which 4 lines are drawn 15 mm from the edges and the center line is drawn 2 Set the original on the DP and make a test copy to check the copy image At this time set the paper guide for the original table and drawer to the paper size to be used 3 If the copy image does not match the original image carry out the following adjustments in maintenance mode Maintenance mode 070 sub scan line adjustmen...

Страница 34: ...shorter A larger value makes the image longer Maintenance mode 071 leading edge timing adjustment 1 Run maintenance mode 071 Select LEAD1 For adjustment of the back side in duplex copying select LEAD2 Set originals in the original tray and press the interrupt key Make a test copy to check the image If an adequate image cannot be obtained carry out the following adjustment 2 For copy example a incr...

Страница 35: ...e Interrupt key Make a test copy to check the image If an adequate image cannot be obtained carry out the following adjustment 2 For copy example a increase the value For copy example b decrease the value Setting range 39 39 Changing the value by one moves the center line by 0 1 mm The larger the value the center of the image moves toward the right The smaller the value the center of the image mov...

Страница 36: ...Open the left cover 2 Remove the stop ring and the strap from the rear side 3 Restore the conveyor section 4 Remove the fitting projection and pin and then remove the stopper from the front side 5 Open the left cover until it is put horizontally 6 Turn the wire guide section of the duplex unit in the direction indicated by the arrow 7 Insert the axis sections of the duplex unit into the U shape gr...

Страница 37: ...it 9 Hang the hook of the plate lock on the conveying unit and then turn the plate lock to fit the hole to the claw of the duplex unit 10 Secure the duplex unit with the two S tite screws M3 06 Figure 1 3 22 1 Figure 1 3 23 Claw Claws Duplex unit Duplex unit S tite screws M3 06 Figure 1 3 22 2 Hook Plate lock Hole Claw ...

Страница 38: ... press the start key Select LSU DUP Press the Interrupt key to output the test pattern in the duplex mode and check the image If an adequate image cannot be obtained carry out the following adjustment 2 a Adequate image 2 If a test pattern a is obtained increase the adjustment value If a test pattern b is obtained decrease the adjustment value Setting range 7 0 10 0 Changing the value by one moves...

Страница 39: ...ter P N 120 V specifications 2C960030 220 240 V specifications 2C960040 One 1 M4 10 tap tight S binding screw P N B3024100 Procedure 1 Remove the main body from the paper feeder see page 1 6 7 2 Remove the right cover Pull out the drawer 3 Remove the three screws and then the front right cover Figure 1 3 27 Front right cover ...

Страница 40: ...t the projections at the rear side of the cassette heater mounting plate into the two holes in the rear frame of the machine 3 Position the screw hole of the drawer heater to the screw hole of the front frame of the machine and secure the heater using the M4 10 Taptite S binding screw Figure 1 3 28 Drawer heater Screw hole Projections Hole in the right frame Connector M4 10 tap tight S binding scr...

Страница 41: ... groove of the frame and put it inside the power source PCB Fit the wire into the groove so that the band mounted to the wire is located above the frame Figure 1 3 30 7 Reattach the power source PCB to its original position and connect the connector of the drawer heater to YC8 of the power source PCB 8 Refit all the removed parts Figure 1 3 29 Power source PCB Wire of the drawer heater Band YC8 Co...

Страница 42: ...One 1 M3 bronze nut P N C2303000 Key counter mounting plate P N 2C960100 Key counter wire P N 2C960110 Key counter retainer 66060030 Key counter mount 66060040 Key counter cover 2A360010 M4 6 screws B4304060 M4 6 screws B4304060 M3 nut C2303000 M3 6 flat head screws B2303060 Key counter socket assembly 41529210 Procedure 1 Fit the key counter socket assembly to the key counter retainer using the t...

Страница 43: ...ube to YC13 on the engine PCB pass the wire through the two clamps and pull the other 4 pin connector out from the aperture of the right cover Arrange the key counter wire behind the optical system wire as shown in the illustration 6 Fold the 7 pin connector of the key counter wire back pass the wire through the clamp at the upper part of the controller box and hang it Figure 1 3 32 Figure 1 3 33 ...

Страница 44: ...the key counter is pulled out 17 Check that the counter counts up as copies are made 8 Connect the 4 pin connector of the key counter to the key counter wire 9 Engage the projection of the key counter mounting plate with the aperture of the right cover 10 Secure the key counter cover and the key counter mounting plate together with the MFP using a M4 x 35 screw 11 Refit the rear cover Figure 1 3 3...

Страница 45: ...ot the staple mounting plate may be deformed resulting in a malfunction Be sure to remove the tape for the intermediate tray at Procedure 16 not removing before mounting Procedure Remove the covers 1 Remove the two screws to remove the upper left cover Transfer unit Intermediate tray Upper left cover Screws Figure 1 3 35 Figure 1 3 36 Figure 1 3 37 ...

Страница 46: ...l screw driver or the like and remove the front side cover 5 Remove the screw and the fitting part located on the right side and then remove the left front cover 6 Open the front cover Inner cover Front side cover Fitting parts Screw Fitting part Left front cover Figure 1 3 40 Figure 1 3 39 Figure 1 3 38 ...

Страница 47: ...move the three screws and then remove the ejection cover and inner ejection cover 8 Remove the two screws and then remove the cover Screws Screw Ejection cover Inner ejection cover Screws Cover Figure 1 3 41 Figure 1 3 42 ...

Страница 48: ...tion side and then secure the front side using the TP bind screw M3 06 and the rear side using the pin Release the lever securing fitting 11 Loosen the screw located at the rear side of the transfer unit and release the lever securing fitting in the direction of an arrow and then retighten the screw Transfer unit TP bind screw M3 06 Pin Screw Lever securing fitting Figure 1 3 43 Figure 1 3 44 ...

Страница 49: ...e hook holder onto the screw and then retighten the screw 14 Insert the intermediate tray from the front side of the MFP while pushing the hook to the back and then push the pin located at the right rear side of the intermediate tray into the hook holder until the fitting sound is heard Screw Screw Screw 3 Hook holder Hook holder Intermediate tray Hook Pin Hook holder Figure 1 3 45 Figure 1 3 46 ...

Страница 50: ...tor of the transfer unit 18 Connect the 13 pin connector of the intermediate tray to YC5 on the engine circuit board Attach the covers 19 Attach the cover that has been removed by Procedure 8 to its original position using the two screws 20 Attach the large ejection cover with the two screws that have been removed by Procedure 1 Tape Hook Pin 24 pin connector 13 pin connector 13 pin connector Conn...

Страница 51: ...as it is fitted to the staple unit from the ejection side and then secure it using the TP bind screw M3 06 24 Attach the inner cover that has been removed by Procedure 3 to its original position 25 Close the front cover TP bind screw M3 06 TP bind screw M3 06 Front ejection cover Rear ejection cover Staple cover TP bind screw M3 06 Figure 1 3 50 Figure 1 3 51 ...

Страница 52: ...pen the staple cover and then insert the staple cartridge into the staple unit 28 Close the staple cover Operation check 1 Insert the MFP power plug into an outlet and then turn the power switch on 2 Select the staple mode and check the staple operation Copy tray Front ejection cover Rear ejection cover Staple cartridge Staple cover Figure 1 3 52 Figure 1 3 53 ...

Страница 53: ...cover 3 Release the fitting parts using a small screw driver or the like and remove the front side cover 4 Remove the screw and the fitting part located on the right side and then remove the left front cover Inner cover Front side cover Fitting parts Screw Fitting part Left front cover Figure 1 3 54 Figure 1 3 55 Figure 1 3 56 ...

Страница 54: ...move the three screws and then remove the ejection cover and inner ejection cover 6 Remove the two screws and then remove the cover Screws Screw Ejection cover Inner ejection cover Screws Cover Figure 1 3 57 Figure 1 3 58 ...

Страница 55: ...nd the rear side with the small pin 9 Loosen the screw that secures the drive unit located at the rear side of the job separator to make it ready for starting to drive and then retighten the screw 10 Connect the connector of the job separator to YC5 on the engine circuit board 11 Attach the cover that has been removed by Procedure 6 to its original position using the two screws Job separator Small...

Страница 56: ... pushing the copy tray to the back along the groove Attach the left front cover JS 13 Pull out the connector of the job separator from the hole of the left front cover that has been removed by Procedure 4 and then attach the left front cover to its original position using the screw Hole Right hook Groove Copy tray Screw Left front cover Connector Figure 1 3 61 Figure 1 3 62 ...

Страница 57: ...take care that the routed wire in the groove does not come off 16 Attach the inner cover that has been removed by Procedure 2 to its original position 17 Close the front cover Operation check 1 Insert the power plug of the MFP into an outlet and then turn the power switch on 2 Set the copy ejection location of the machine default settings to job separator 3 Make a test copy to check that a copy is...

Страница 58: ...to the projection of the memory slot on the fax control PCB assembly 1 4 Push the free end of the module down toward the board 2 5 Attach the mounting plate and the ground wire that have been removed by Procedure 2 with the three screws to their original positions 6 Connect the two connectors that have been removed by Procedure 1 Screws Fax control PCB assembly Mounting plate Connectors Ground wir...

Страница 59: ...CB assembly 9 Loosen the screw on the printer board 10 While taking care that the mounting surface of the board does not contact the frame section of the rear cover insert the U terminal of the ground wire of the fax control PCB assembly and secure it with the screw Screws Screws Shield cover Screw Modular cover Fax control PCB assembly Screw Ground wire Frame section Figure 1 3 67 Figure 1 3 69 F...

Страница 60: ...f the rear cover Attach the NCU PCB assembly 14 Connect the NCU wire connector on the NCU PCB assembly to the YC2 connector on the fax control PCB assembly 15 Secure the NCU PCB assembly using the four TP tap tight screws M3 6 paying attention so that the tape section of the shield box does not contact with the PCB YC1 YC15 Fax control PCB assembly Slit Projection TP tap tight screws M3 6 TP tap t...

Страница 61: ...hield box and then attach it with the six screws and TP tap tight screw M4 6 to its original position Connect the telephone line to the line terminal 18 Insert the modular connector cable to the line terminal to connect it to the telephone line For 120 V specifications use supplied modular cord B Screw Modular cover Screw Screws Shield cover TP tap tight screw M4 6 Screw Screw Lower part Shield bo...

Страница 62: ...tion 20 Lift the two pawls and remove the operation section sheet cover 21 Remove the operation section sheet and replace it with the operation section sheet for fax of the corresponding language Left cover of the operation section Opening Pawls Operation section sheet cover Operation section sheet Operation section sheet for fax Figure 1 3 78 Figure 1 3 77 Figure 1 3 76 ...

Страница 63: ...ticks fast to the surface while matching the top surface to the top left corner and firmly pressing the whole area down as shown in the illustration 25 Push all the one touch keys to check that the one touch securing sheet does not block any one touch key Attach the fax label 220 240 V specifications only 26 Adhere the fax labels 1 to 4 of the fax label sheet of the corresponding language at the p...

Страница 64: ...sheet 29 Divide the one touch sheet of the corresponding language into two parts and then mount them on the one touch securing sheet each Bring back the left cover of the operation section that has been removed by Procedure 19 operation section sheet that has been removed by Procedure 21 operation section sheet for fax that corresponds to the unused languages and the one touch sheet Cover plate Pr...

Страница 65: ...label and do not use the PRS TUV WXZ and OPER labels Attach the certification label 120 V specifications only 31 Adhere the FCC68 label onto the shield cover after wiping the cover with alcohol Execute the maintenance mode After installation is complete the fax control PCB must be initialized by executing the maintenance mode U601 U602 See the service manual of the fax system Alphabet labels 10mm ...

Страница 66: ...off the cover Install the scanner board 3 Insert the scanner board into the OPT1 opening of the shield box and firmly push the CN5 connector on the scanner board all the way into the YC12 connector on the engine circuit board 4 Fasten the scanner board onto the shield box cover using the two screws that have been removed by Procedure 2 Screws a Screws a Screw b Shield cover Cover Screws OPT1 openi...

Страница 67: ...ved by Procedure 1 into the shield box and refit it to its original position using the six screws a If the fax system is installed refit the shield cover using the six screws a and screw b to its original position Screw a Shield cover Screws a Screw b Screw a Screw a Lower part Shield box Figure 1 3 89 ...

Страница 68: ...right back and then remove the cover 2 Insert the hard disk in the socket on the printer board PCB 3 Refit the cover which is removed with step 1 4 Turn the power switch on and initialize the hard disk at the printer menu 5 Output the printer status report and confirm whether the hard disk is recognized Figure 1 3 90 Hard disk Socket ...

Страница 69: ...nter 001 using the up down cursor keys or numeric keys and press the start key Enter the maintenance item number using the up down cursor keys or numeric keys The selected maintenance item is run Press the stop clear key Press the start key Start End Maintenance mode is entered The maintenance item is selected Maintenance mode is exited Repeat the same maintenance item Run another maintenance item...

Страница 70: ... 1 0 3 0 3 1 3 1 5 U060 Adjusting the scanner input properties 12 U061 Turning the exposure lamp on U063 Adjusting the shading position 0 U065 Adjusting the scanner magnification Main scanning direction auxiliary scanning direction 0 10 U066 Adjusting the leading edge registration for scanning an original on the 7 0 contact glass U067 Adjusting the center line for scanning an original on the conta...

Страница 71: ...ence or absence of a key card or key counter U207 Checking the operation panel keys U243 Checking the operation of the DP motors and solenoids U244 Checking the DP switches U245 Checking messages U246 Setting the finisher 4 4 4 U249 Checking the paper ejection to optional devices U250 Setting the maintenance cycle 150000 U251 Checking clearing the maintenance count U252 Setting the destination Jap...

Страница 72: ...r jam counts U904 Checking clearing the service call counts U905 Checking counts by optional devices U906 Resetting partial operation control U908 Changing the total counter value U910 Clearing the black ratio data U911 Checking clearing copy counts by paper sizes U917 Setting backup data reading writing U920 Checking the accounting counts U925 Checking clearing the system error counts U926 Rewrit...

Страница 73: ... 11 81 2 paper is available a report of this size is output If not specify the paper feed location When output is complete the screen for selecting an item is displayed Completion Press the stop clear key at the screen for selecting an item The screen for selecting a maintenance item No is displayed U001 Exiting the maintenance mode Description Exits the maintenance mode and returns to the normal ...

Страница 74: ...sor keys To enter symbols press the keys shown below as required Key Symbol key key Image mode selection key Aoto mode selection key Lighter key Darker key Space 2 Press the start key The phone number is set and the screen for selecting a maintenance item No is displayed Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for selecting ...

Страница 75: ... made Paper feed locations Magnifications Simplex or duplex copy mode Number of copies in simplex copy mode continuous copying is performed when set to 999 in duplex copy mode continuous copying is performed regardless of the setting Copy density Keys on the operation panel other than the energy saver preheat key 5 To control the paper feed pulley remove all the paper in the drawers or the drawers...

Страница 76: ...ect the EXECUTE using the up down cursor keys It is displayed in reverse 3 Press the start key All data in the backup RAM is initialized and the original settings for Japan specifications are set When initialization is complete the machine automatically returns to the same status as when the main switch is turned on Completion To exit this maintenance item without executing initialization press th...

Страница 77: ...smission and reception are cleared Completion Press the stop clear key The screen for selecting a maintenance item No is displayed U026 Evacuation of backup data Description Transfers the backup data of the main PCB to the EEPROM Purpose Used when replacing the main PCB Method 1 Press the start key The screen for executing is displayed 2 Select the EXECUTE using the up down cursor keys It is displ...

Страница 78: ...ss the stop clear key The screen for selecting a maintenance item No is displayed U030 Checking motor operation Description Drives each motor Purpose To check the operation of each motor Method 1 Press the start key The screen for selecting an item is displayed 2 Select the motor to be operated using the up down cursor keys 3 Press the start key The operation starts Display Operation MAIN Drive mo...

Страница 79: ...ch 1 DUPPCSW JOB Job separator eject switch 1 JBESW 1 Optional 2 Optional for 16 ppm model Standard for 20 ppm model Completion Press the stop clear key The screen for selecting a maintenance item No is displayed U032 Checking clutch operation Description Turns each clutch on Purpose To check the operation of each clutch Method 1 Press the start key The screen for selecting an item is displayed 2 ...

Страница 80: ...r speed Description Performs fine adjustment of the speeds of the motors Purpose Used to adjust the speed of the respective motors when the magnification is not correct Also speed adjustment for each paper source Method Press the start key The screen for setting is displayed Setting 1 Select the item to be set using the up down cursor keys The selected item is displayed in reverse 2 Change the set...

Страница 81: ...While this maintenance item is being performed a VTC pattern shown below is output in interrupt copy mode 1 Press the interrupt key The machine enters the interrupt copy mode 2 Press the start key A VTC pattern is output To return to the screen for setting press the interrupt key Correct values for an A3 11 17 output are A 300 1 5 mm B 270 1 35 mm Figure 1 4 1 Adjustment 1 Output an A3 11 17 VTC p...

Страница 82: ... mode While this maintenance item is being performed copying from an original can be made in interrupt copy mode 1 Press the interrupt key The machine enters the interrupt copy mode 2 Set the original and press the strat key To return to the screen for setting press the interrupt key Completion Press the stop clear key at the screen for setting The screen for selecting a maintenance item No is dis...

Страница 83: ...t the original and press the strat key To return to the screen for setting press the interrupt key Completion Press the stop clear key at the screen for setting The screen for selecting a maintenance item No is displayed U065 Adjusting the scanner magnification Adjustment See pages 1 6 33 and 34 U066 Adjusting the leading edge registration for scanning an original on the contact glass Adjustment S...

Страница 84: ...eft right cursor keys Display Description Setting range Initial setting Change in value per step CONVEY SPEED1 Original conveying motor 25 to 25 0 0 1 speed simplex original CONVEY SPEED2 Original conveying motor 25 to 25 0 0 1 speed duplex original Increasing the setting makes the image longer and decreasing it makes the image shorter 3 Press the start key The value is set Interrupt copy mode Whi...

Страница 85: ...tion 22 to 32 0 0 2 mm simplex original LEAD2 DP leading edge registration 32 to 22 0 0 2mm duplex original TRAIL2 DP trailing edge registration 22 to 32 0 0 2mm duplex original Increasing the setting moves the copy image backward and decreasing it moves the copy image forward 3 Press the start key The value is set Interrupt copy mode While this maintenance item is being performed copying from an ...

Страница 86: ... mm 2 sided front Front face in duplex copy mode 39 to 39 0 0 1 mm 2 sided back Reverse face in duplex copy mode 39 to 39 0 0 1 mm Increasing the setting moves the image to the right and decreasing it moves the image to the left 3 Press the start key The value is set Interrupt copy mode While this maintenance item is being performed copying from an original can be made in interrupt copy mode 1 Pre...

Страница 87: ...Press the stop clear key when scanning stops The screen for selecting a maintenance item No is displayed U074 Adjusting the DP input light luminosity Description Adjusts the luminosity of the exposure lamp for scanning originals from the DP Purpose Used if the exposure amount differs significantly between when scanning an original on the contact glass and when scanning an original from the DP Meth...

Страница 88: ...ed 3 Press the start key Auto adjustment starts When adjustment is complete each adjusted value is displayed Display Description CONVEY SPEED DP magnification in the auxiliary scanning direction LEAD EDGE ADJ DP leading edge registration DP CENTER DP original center line If a problem occurs during auto adjustment DATA XX XX is replaced by an error code is displayed and operation stops Should this ...

Страница 89: ...e to dust adhering in the original scanning position on the slit glass when the DP is used Setting 1 Press the start key The screen for selecting an item is displayed 2 Select ON or OFF using the up down cursor keys The selected item is displayed in reverse Display Description ON DP scanning position adjust mode on OFF DP scanning position adjust mode off Initial setting ON Available only when the...

Страница 90: ...tics MONO LEVEL To check the drum quality 256 LEVEL To check resolution reproducibility in printing 1 DOT LEVEL To check fine line reproducibility To adjust the position of the laser scanner unit lateral squareness PG pattern to be output Purpose 3 To change the output conditions of MONO LEVEL and 1dot LEVEL use the left right cursor keys to change the preset values and press the start key to regi...

Страница 91: ...y Auto adjustment starts When adjustment is complete each adjusted value is displayed Display Description SCN CENTER Scanner center line SCN TIMING Scanner leading registration SUB SCAN Scanner magnification in the auxiliary scanning direction MAIN SCAN Scanner magnification in the main scanning direction If a problem occurs during auto adjustment DATA XX XX is replaced by an error code is display...

Страница 92: ...using the left right cursor keys Display Description Setting range Initial setting MIXED DARKER Change in density when manual 0 to 3 0 density is set dark MIXED LIGHTER Change in density when manual 0 to 3 0 density is set light Increasing the setting makes the change in density larger and decreasing it makes the change smaller Image density Density adjustment Dark Light Light Center Dark Setting ...

Страница 93: ...ng the setting makes the change in density larger and decreasing it makes the change smaller 3 Press the start key The value is set 4 To return to the screen for selecting an item press the stop clear key Setting Density in the photo in fax mode 1 Select the item to be adjusted using the up down cursor keys The selected item is displayed in reverse 2 Adjust the setting using the left right cursor ...

Страница 94: ...g 1 Select an item to be set using the up down cursor keys Display Description Setting range Initial setting LEVEL Detection sensor threshold value 0 to 255 170 WAIT TIME Original size judgment time 0 to 100 30 A4R AREA Threshold value in the main scan direction 220 mm 240 for A4R detection 240 mm ORG AREA Original size detection position display mm 0 to 350 SIZE Detected original size display 0 t...

Страница 95: ...ight cursor keys Description Setting range Initial setting Grid control voltage 0 to 255 132 Increasing the setting makes the surface potential higher and decreasing it makes the potential lower 2 Press the start key The value is set Setting the main charging copy quantity correction 1 Change the setting using the left right cursor keys Display Setting Setting range Initial setting INTERVAL Copy i...

Страница 96: ...ng makes the image lighter decreasing it makes the image darker 3 Press the start key The value is set Setting the transfer voltage 1 Select the item to be set using the up down cursor keys 2 Change the setting using the left right cursor keys Display Description Setting range Initial setting TC DATA1 Transfer control voltage large size 0 to 255 166 TC DATA2 Transfer control voltage small size 0 t...

Страница 97: ...ess the start key The screen for executing is displayed 2 Select the EXECUTE using the up down cursor keys 3 Press the start key Installation of toner starts and time minutes is indicated until the installation ends 4 When the installation is complete FINISHED will be displayed if the installation is successful or NG will be displayed if it has failed If NG is displayed check to see if the toner c...

Страница 98: ...ing control temperature Purpose Normally no change is necessary However can be used to prevent curling or creasing of paper or solve a fixing problem on thick paper Setting 1 Press the start key The screen for selecting an item is displayed 2 Select the item to be set using the up down cursor keys The screen for executing each item is displayed 3 Change the setting using the left right cursor keys...

Страница 99: ...sor keys The selected item is displayed in reverse 3 Press the start key The fixing problem data is initialized Completion Press the stop clear key The screen for selecting a maintenance item No is displayed U167 Checking clearing fixing counts Description Displays or clears fixing counts Purpose To check fixing counts Also used to clear the count after replacing the fixing unit Method Press the s...

Страница 100: ... Checking DP operation Description Simulates the original conveying operation separately in the optional DP Purpose To check the DP Method 1 Press the start key The screen for selecting an item is displayed 2 Place an original in the DP if running this simulation with paper 3 Select the item to be operated using the up down cursor keys The selected item is displayed in reverse Display Operation AD...

Страница 101: ... item No is displayed U207 Checking the operation panel keys Description Checks operation of the operation panel keys Purpose To check operation of all the keys and LEDs on the operation panel Method 1 Press the start key The screen for executing is displayed 2 COUNT1 is displayed and the leftmost LED on the operation panel lights 3 As the keys lined up in the same line as the lit indicator are pr...

Страница 102: ...0 5 s 3 To turn each motor off press the stop clear key Completion Press the stop clear key when operation stops The screen for selecting a maintenance item No is displayed U244 Checking the DP switches Description Displays the status of the respective switches in the optional DP Purpose To check if respective switches in the optional DP operate correctly Start 1 Press the start key 2 Turn the res...

Страница 103: ...lect the background black or white using the left right cursor keys 2 To return to the screen for selecting an item press the stop clear key Completion Press the stop clear key at the screen for selecting an item The screen for selecting a maintenance item No is displayed U246 Setting the finisher Description Adjusts the side registration cursor stop position in the staple sort mode Purpose To adj...

Страница 104: ...d U250 Setting the maintenance cycle Description Displays and changes the maintenance cycle Purpose To check and change the maintenance cycle Method Press the start key The current setting is displayed Setting 1 Change the setting using the numeric keys To clear press the reset key Description Setting range Initial setting Maintenance cycle 0 to 9999999 150000 2 Press the start key The value is se...

Страница 105: ...ain PCB or initializing the backup RAM by running maintenance item U020 in order to return the setting to the value before replacement or initialization Method Press the start key The screen for selecting an item is displayed Setting 1 Select the destination using the up down cursor keys The selected item is displayed in reverse Display Description JAPAN METRIC Metric Japan specifications INCH Inc...

Страница 106: ... for selecting a maintenance item No is displayed Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for selecting a maintenance item No is displayed U254 Turning auto start function on off Description Selects if the auto start function is turned on Purpose Normally no change is necessary If incorrect operation occurs turn the function...

Страница 107: ...counter and other counters Purpose To be set according to user copy service provider request If a paper jam occurs frequently in the finisher when the number of copies is counted at the time of paper ejection copies are provided without copy counts The copy service provider cannot charge for such copying To prevent this the copy timing should be made earlier If a paper jam occurs frequently in the...

Страница 108: ... the code when replacing the main PCB and the like Method Press the start key Setting 1 Use the numeric keys or left right cursor keys to adjust the preset value 2 Press the start key The count is set and the screen for selecting a maintenance item is displayed Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for selecting a maintena...

Страница 109: ...ion factor Description Sets the coefficient of nonstandard sizes in relation to the A4 11 81 2 size The coefficient set here is used to convert the black ratio in relation to the A4 11 81 2 size and to display the result in user simulation Purpose To set the coefficient for converting the black ratio for nonstandard sizes in relation to the A4 11 81 2 size for copy mode printer mode and fax mode r...

Страница 110: ...ting is set Completion Press the stop clear key The screen for selecting a maintenance item is displayed U342 Setting the ejection restriction Description Sets or cancels the restriction on the number of sheets to be ejected continuously When the restriction is set the number of sheets that can be ejected continuously to the internal eject tray will be limited to 250 Purpose According to user requ...

Страница 111: ...tem is displayed in reverse Display Control in preheat mode ENERGY STAR The fixing control temperature is lowered by 20 C 68 F and forced stabilization is performed 30 seconds after exiting preheat GEEA The fixing control temperature is lowered by 15 C 59 F and forced stabilization is performed 30 seconds after exiting preheat Initial setting ENERGY STAR for the inch specifications GEEA for the me...

Страница 112: ... 0 to 10 0 3 0 0 1 mm C MARGIN Right margin 0 to 10 0 2 0 0 1 mm D MARGIN Trailing edge margin 0 to 10 0 2 0 0 1 mm Increasing the setting makes the margin wider and decreasing it makes the margin narrower DP leading edge margin 3 1 5 mm Ejection direction reference DP trailing edge margin 2 1 0 mm DP left margin 2 1 0 mm DP right margin 2 1 0 mm Figure 1 4 6 Correct margin amount 3 Press the star...

Страница 113: ...e the preset value if a communication error occurs after connection to a computer continues for a long time By delaying the error detection timing the error may be cleared If the error is not cleared after the preset value is changed however return the preset value to the initial value Method Press the start key The screen for selecting an item is displayed Setting 1 Select ON or OFF using the lef...

Страница 114: ...r key The screen for selecting a maintenance No item is displayed U903 Checking clearing the paper jam counts Description Displays or clears the jam counts by jam locations Purpose To check the paper jam status Also to clear the jam counts after replacing consumable parts Start 1 Press the start key The screen for selecting an item is displayed 2 Select the item using the up down cursor keys 3 Pre...

Страница 115: ...sor keys The total number of service call code count cannot be cleared 2 To return to the screen for selecting an item press the stop clear key Completion To exit this maintenance item without changing the count press the stop clear key The screen for selecting a maintenance No item is displayed U905 Checking counts by optional devices Description Displays the counts of the optional DP or finisher...

Страница 116: ...se To clear data as required at times such as during maintenance service Method 1 Press the start key 2 Select the EXECUTE using the up down cursor keys It is displayed in reverse 3 Press the start key The accumulated black ratio data is cleared and the screen for selecting a maintenance item is displayed Completion To exit this maintenance item without changing the current setting press the stop ...

Страница 117: ...P Writing the backup data of fax control PCB CF SRAM BKUP Reading the backup data of fax control PCB SRAM CF DIAL Writing the backup data of fax dial information CF SRAM DIAL Reading the backup data of fax dial information 8 Press the start key Reading or writing is executed and the screen displays the result If the operation was successful EXECUTE 0100 CHECK SUM CODE 0000 If the operation failed ...

Страница 118: ...s the start key The counts are cleared Completion To exit this maintenance item without changing the count press the stop clear key The screen for selecting a maintenance No item is displayed U926 Rewriting FAX program Description Downloads the fax program and fax fonts when installing an optional fax kit Purpose To run when upgrading the fax program and fax fonts Setting 1 Turn the power switch o...

Страница 119: ... this maintenance item without changing the count press the stop clear key The screen for selecting a maintenance item No is displayed U928 Checking machine life counts Description Displays the machine life counts Purpose To check the machine life counts Method Press the start key The current machine life counts is displayed Completion Press the stop clear key The screen for selecting a maintenanc...

Страница 120: ...riginal and press the strat key To return to the screen for setting press the interrupt key Completion Press the stop clear key at the screen for setting The screen for selecting a maintenance item No is displayed U990 Checking clearing the time for the exposure lamp to light Description Displays clears or changes the accumulated time for the exposure lamp to light Purpose To check duration of use...

Страница 121: ...ects and outputs a VTC PG pattern created in the machine Purpose When performing respective image printing adjustments used to check the machine status apart from that of the scanner with a non scanned output VTC PG pattern Method 1 Press the start key The screen for selecting an item is displayed 2 Select the VTC PG pattern to be output using the up down cursor keys Display PG pattern to be outpu...

Страница 122: ...hen press the enter key Check the counter page 1 4 60 Select Bypass setting and then press the enter key Make bypass settings page 1 4 60 Select Print report and then press the enter key Select the End and press the enter key Output the report page 1 4 60 Set the language page 1 4 60 Start End Select Language and then press the enter key 1 4 2 Management mode In addition to a maintenance function ...

Страница 123: ... the ID code to clear and then press the enter key 3 Select Yes or No and then press the enter key Job accounting ON OFF 1 Select Job Accounting On Off and then press the enter key 2 Select On or Off and then press the enter key Copier job accounting ON OFF 1 Select Job Accounting Def Set and then press the enter key 2 Select Copy Job Account and then press the enter key 3 Select On or Off and the...

Страница 124: ...and then press the enter key Default drawer Sets one drawer that will be selected automatically regardless of the size of paper loaded in that drawer 1 Select Default cassette and then press the entrer key 2 Select the drawer that will be used with priority Settings Cassette 1 Cassette 2 Cassette 3 Cassette 4 For 16 ppm model the setting for drawer 2 3 and 4 will only be available when the optiona...

Страница 125: ...e default setting in the initial mode 1 Select Auto Rotation and then press the enter key 2 Select On or Off and then press the enter key Margin width Determines the default value of the location and width of the margins in the margin mode 1 Select Margin Width and then press the enter key 2 Sets the margin widths and then press the enter key Setting range 1 8 to 3 4 in 1 8 increments inch specifi...

Страница 126: ... key 2 Select paper type and then press the enter key 3 Select paper weight and then press the enter key Duplex print for paper type Sets whether or not each custom type of paper custom 1 to custom 8 will be available for use in duplex printing 1 Select P type Duplex and then press the enter key 2 Select one of the Custom 1 to 8 and then press the enter key 3 Select On or Off and then press the en...

Страница 127: ...st adjustment Adjust the display contrast 1 Select Display Contrast and then press the enter key 2 Adjust the contrast and then press the enter key Setting range 1 to 7 Changing the management code Changes the management code 1 Select PIN Change and then press the enter key 2 Enter a new 4 digit management code using the numeric keys Auto sleep ON OFF Sets whether or not to have the auto sleep fun...

Страница 128: ... 3 Select paper type and then press the enter key 6 Checking the total counter and printing out the counter report Checks the total count of copies etc and prints out the information as a counter report 1 Select Counter check and then press the enter key 2 Select Output count or Scan count and then press the enter key 3 Select End and then press the enter key 4 Select Print counter report and then...

Страница 129: ...e drawer out To remove original jammed in the DP open the DP original cover Paper misfeed detection can be reset by opening and closing the respective covers to turn safety switch off and on Figure 1 5 1 1 Misfeed in the drawer 1 2 Misfeed in the drawer 2 2 3 Misfeed in the drawer 3 1 4 Misfeed in the drawer 4 1 5 Misfeed in the bypass tray 6 Misfeed in the paper conveying section 7 Misfeed in the...

Страница 130: ...2DA 2DB 1 5 2 2 Paper misfeed detection conditions Figure 1 5 2 ESW FSSW RSW PFCL RM DUPPCSW DUPFCL BYPPFSOL PCSW DPTSW OSBSW OCM OFM DPFCL1 DFSW1 DFSW2 DPFCL2 DPFCL3 ...

Страница 131: ... ms of the drawer paper feed clutch 1 DPFCL1 2 turning on the clutch is then successively held off for 1 s and turned back on once but the switch again fails to turn on within 2780 ms The drawer feed switch 1 DFSW1 2 does not turn on within 2490 ms of the drawer paper feed clutch 2 DPFCL2 1 turn ing on the clutch is then successively held off for 1 s and turned back on once but the switch again fa...

Страница 132: ...wer feed switch 2 DFSW2 1 does not turn off within 2490 ms of drawer paper feed clutch 3 DPFCL3 1 turning on The registration switch RSW does not turn off within 2340 ms of drawer feed switch 1 DFSW1 2 turning on The registration switch RSW does not turn off within 2340 ms of drawer feed switch 1 DFSW1 2 turning off The registration switch RSW does not turn off within 1760 ms of duplex paper conve...

Страница 133: ...thin 1530 ms of paper switchback The feedshift switch FSSW does not turn on within 1530 ms of paper switchback The feedshift switch FSSW does not turn on within 6320 ms of feedshift switch FSSW turning on The feedshift switch FSSW does not turn off within 1530 ms of paper switchback The feedshift switch FSSW does not turn on within 1530 ms of paper switchback The feedshift switch FSSW does not tur...

Страница 134: ...l mode the DP timing switch DPTSW 1 does turn off within 750 ms of the original conveying motor OCM 1 turning on During scanning of the second side or reversing of the origi nal for ejection in the double sided original mode the DP tim ing switch DPTSW 1 does not turn off within 6500 ms of the original conveying motor OCM 1 turning on During scanning of the second side or reversing of the origi na...

Страница 135: ...ck visually and remove it if any Run maintenance item U031 and turn registration switch on and off manually Replace registration switch if indication of the cor responding switch is not light Run maintenance item U031 and turn exit switch on and off manually Replace exit switch if indication of the corresponding switch is not light Run maintenance item U031 and turn feedshift switch on and off man...

Страница 136: ...lutch 2 1 Paper in the third paper feeder 1 is extremely curled Check if the paper feed pulley separation pulley or forward pulley in the third paper feeder 1 is de formed Broken drawer feed switch 2 1 actuator Change the paper Check visually and replace any deformed pulley Check visually and replace registration switch if its actuator is broken Run maintenance item U031 and turn registration swit...

Страница 137: ...ance item U032 and select the drawer paper feed clutch 3 to be turned on and off Check the status and remedy if necessary Check Check visually and replace registration switch if its actuator is broken Run maintenance item U031 and turn registration switch on and off manually Replace registration switch if indication of the cor responding switch is not light Check visually and replace drawer feed s...

Страница 138: ...turn drawer feed switch 1 on and off manually Replace drawer feed switch 1 if indication of the corresponding switch is not light Check visually and replace drawer feed switch 2 if its actuator is broken Run maintenance item U031 and turn drawer feed switch 2 on and off manually Replace drawer feed switch 2 if indication of the corresponding switch is not light Run maintenance item U032 and select...

Страница 139: ...tch 2 1 Check if the drawer paper feed clutch 3 1 malfunc tions Electrical problem with the drawer paper feed clutch 3 1 Check see page 1 5 35 Check visually and remedy if necessary Repair or replace if necessary Check visually and replace registration switch if its actuator is broken Run maintenance item U031 and turn registration switch on and off manually Replace registration switch if indicati...

Страница 140: ...istration switch if indication of the cor responding switch is not light Check visually and replace drawer feed switch 1 if its actuator is broken Run maintenance item U031 and turn drawer feed switch 1 on and off manually Replace drawer feed switch 1 if indication of the corresponding switch is not light Check visually and replace the duplex paper conveying switch if its actuator is broken Run ma...

Страница 141: ...ally and replace the feedshift switch if its actuator is broken Run maintenance item U031 and turn feedshift switch on and off manually Replace feedshift switch if indication of the corre sponding switch is not light Check visually and replace the Job separator eject switch if its actuator is broken Run maintenance item U031 and turn Job separator eject switch on and off manually Replace Job separ...

Страница 142: ...nd remove it if any Run maintenance item U244 and turn DP timing switch on and off manually Replace DP timing switch if indication of the corre sponding switch is not light Run maintenance item U244 and turn original switchback switch on and off manually Replace original switchback switch if indi cation of the corresponding switch is not light Run maintenance item U244 and turn original set switch...

Страница 143: ...n and off manually Replace DP timing switch if indication of the corre sponding switch is not light Run maintenance item U243 and select the original conveying motor to be turned on and off Check the status and remedy if necessary Check visually and replace DP timing switch if its actuator is bro ken Run maintenance item U244 and turn DP timing switch on and off manually Replace DP timing switch i...

Страница 144: ...h 5 V DC present at CN4 9 on the finisher main PCB check if CN4 10 on the finisher main PCB remains high or low when the paper conveying switch is turned on and off If it does re place the paper conveying switch Check visually and replace the pulley or roller if deformed With 5 V DC present at CN4 9 on the finisher main PCB check if CN4 10 on the finisher main PCB remains high or low when the pape...

Страница 145: ...ne PCB Scanner network board 1 communication problem DP 1 communication problem First paper feeder 2 communication problem Finisher 1 communication problem Second paper feeder 1 communication problem Third paper feeder 1 communication problem DMA problem Scanner carriage problem System error Normal C call processing System error Normal C call processing System error Normal C call processing System...

Страница 146: ...Defectivemain PCB Problem with the backup memory data Defective backup RAM Defective EEPROM or main PCB Problem with the backup memory data Defective EEPROM Defective engine PCB Problem with the backup memory data Defective backup RAM Defective main PCB or engine PCB Correct EEPROM is not installed Data damage of EEPROM Replace the fax control PCB and check for correct operation Check the version ...

Страница 147: ...e engine PCB or DP driver PCB Paper feeder in stalled incorrectly Defective engine PCB or drawer main PCB Finisher installed incorrectly Defective engine PCB or finisher main PCB Paper feeder in stalled incorrectly Defective engine PCB or drawer main PCB Check the connection of connector Repair or replace if necessary Replace the main PCB or engine PCB and check for correct operation Check the con...

Страница 148: ...Flash ROM on the fax control PCB was not suc cessfully decompressed Paper feeder in stalled incorrectly Defective engine PCB or drawer main PCB Defective main PCB DIMM installed incorrectly Defective DIMM Defective main PCB Defective main PCB Defective fax con trol PCB Defective fax con trol PCB Defective fax soft ware Defective fax con trol PCB Poor contact in the connector ter minals Defective m...

Страница 149: ...Defective scanner home position switch Defective engine PCB Defective scanner motor Poor contact of the connector ter minals Defective expo sure lamp or in verter PCB Defective engine PCB Incorrect shading position Replace the fax control PCB and check for correct operation Check the version of the fax software and the main software upgrade the version to the compatible software Replace the fax co...

Страница 150: ...n the polygon motor connector termi nals Defective polygon motor Defective engine PCB Defective laser diode Defective polygon motor Defective main PCB Defective engine PCB Poor contact in the thermistor connector termi nals Fixing thermistor installed incor rectly Fixing thermostat triggered Replace the exposure lamp or inverter PCB Replace the engine PCB and check for correct operation Adjust the...

Страница 151: ...installed incor rectly Broken fixing heater M or S wire Poor contact in the connector ter minals Defective power supply PCB Defective engine PCB Poor contact in the humidity sen sor connector ter minals Defective humidity sensor Check and reinstall if necessary Check for continuity If none replace the fixing heater M or S Measure the resistance If it is 0 Ω replace the thermistor Replace the power...

Страница 152: ...er main PCB The rear side reg istration motor connector makes poor contact The rear side reg istration motor malfunctions The rear side reg istration home po sition sensor con nector makes poor contact The rear side reg istration home po sition sensor mal functions Defective finisher main PCB Reinsert the connector Also check for con tinuity within the connector cable If none remedy or replace the...

Страница 153: ...ation home position sensor connector makes poor contact The trailing edge registration home position sensor malfunctions Defective finisher main PCB The front stapler connector makes poor contact The front stapler malfunctions a The front sta pler is blocked with a staple b The front sta pler is broken Defective finisher main PCB Reinsert the connector Also check for con tinuity within the connect...

Страница 154: ...de of the copy image is darker than the other See page 1 5 29 9 Black dots appear on the image See page 1 5 30 10 Image is blurred See page 1 5 30 11 The leading edge of the image is consistently misaligned with the original See page 1 5 30 12 The leading edge of the image is sporadically misaligned with the original See page 1 5 31 13 Paper creases See page 1 5 31 14 Offset occurs See page 1 5 31...

Страница 155: ...No image appears entirely black Causes 1 No main charging 2 Exposure lamp fails to light Causes Check procedures corrective measures 1 No main charging A Broken main charger wire B Leaking main charger housing C The connector terminals of the high voltage PCB make poor contact D Defective engine PCB E Defective high voltage PCB 2 Exposure lamp fails to light A The connector terminals of the exposu...

Страница 156: ...y main charger wire Causes Check procedures corrective measures 1 The developing bias voltage is not properly Replace the high voltage PCB and check for correct operation 2 Dirty main charger wire Clean the main charger wire or if it is extremely dirty replace the main chager unit see page 1 6 40 If the display shows the message requesting toner replenishment replace the container Clean or check t...

Страница 157: ... Check procedures corrective measures 1 Dirty contact glass 2 Dirty or flawed drum 3 Dirty scanner mirror 4 Dirty shading plate 5 Leaking main charger housing 7 A black line ap pears laterally Causes 1 Dirty contact glass 2 Dirty or flawed drum 3 Dirty scanner mirror 4 Dirty shading plate 5 Leaking main charger housing 8 One side of the copy image is darker than the other Causes 1 Dirty main charg...

Страница 158: ...orn cleaning blade 4 Dirty drum separation claws 5 Dirty the heat roller separation claws Causes 1 Scanner moves erratically 2 Deformed press roller 3 Paper conveying section drive problem Causes Check procedures corrective measures 1 Scanner moves erratically 2 Deformed press roller 3 Paper conveying section drive problem Check if there is any foreign matter on the front and rear scanner rails If...

Страница 159: ...fset occurs 13 Paper creases Causes 1 Paper curled 2 Paper damp 3 Defective pressure springs 4 Defective separation 5 Dirty separation electrode Causes Check procedures corrective measures 1 Paper curled Check the paper storage conditions 2 Paper damp Check the paper storage conditions 3 Defective pressure springs Replace the pressure springs 4 Defective separation Check the drum separation claws ...

Страница 160: ...r damp Check the paper storage conditions 2 Paper creased Replace the paper 3 Dirty or flawed drum Clean the drum or if it is flawed replace the drum unit see page 1 6 38 4 Dirty transfer roller Clean the transfer roller 16 Fixing is poor Causes 1 Wrong paper 2 Defective pressure springs 3 Flawed press roller 4 Defective fixing heater Causes Check procedures corrective measures 1 Wrong paper Check...

Страница 161: ... printing see page 1 6 18 2 Misadjusted scanner center line Readjust the scanner center line see page 1 6 36 3 Original placed incorrectly Place the original correctly 18 Image center does not align with the original center Causes 1 Misadjusted center line of image printing 2 Misadjusted scanner center line 3 Original placed incorrectly ...

Страница 162: ...or continuity across the contacts of each switch If none replace the switch With AC present check for 24 V DC at YC1 1 and 5 V DC at YC1 7 on the power source PCB If none replace the power source PCB Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Check visually and replace the drive motor if necessary Run maintenance item U030 and c...

Страница 163: ...n motor 1 Reinsert the connector Also check for continuity within the con nector cable If none repair or replace the cable Check for continuity across the coil If none replace cooling fan motor 2 Reinsert the connector Also check for continuity within the con nector cable If none repair or replace the cable Check for continuity across the coil If none replace cooling fan motor 3 Reinsert the conne...

Страница 164: ...ck for continuity within the con nector cable If none remedy or replace the cable Run maintenance item U032 and check if YC8 3 on the drawer main PCB goes low If not replace the drawer main PCB Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Check for continuity If none replace the cleaning lamp If the cleaning lamp turns on when YC3...

Страница 165: ...rminals Defective drawer paper length switch See page 1 5 27 See page 1 5 27 If the level of YC18 5 on the engine PCB does not change when the original detection switch is turned on and off replace the original detection switch Check the original and correct if necessary Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Check if sensor...

Страница 166: ...d or makes poor contact Noise Check and remove if any Run maintenance item U031 and turn registration switch on and off manually Replace registration switch if indication of the cor responding sensor is not light Run maintenance item U031 and turn exit switch on and off manually Replace exit switch if indication of the corresponding sensor is not light Run maintenance item U031 and turn feedshift ...

Страница 167: ...ong the paper conveying path is deformed or out of place Check if the scanner wire is loose The scanner motor malfunctions Check if the separation pulley or drawer separation pulley is worn Check if the paper is curled Check if the paper is excessively curled Deformed guides along the paper conveying path Check if the contact between the right and left registration rollers is correct Check if the ...

Страница 168: ...rd Check if the developing unit is extremely dirty Check if the pulleys rollers and gears oper ate smoothly Check if the following electromagnetic clutches are installed correctly paper feed clutch bypass paper feed solenoid and drawer paper feed clutch Clean the developing unit Grease the bearings and gears Correct 20 ppm model only ...

Страница 169: ...hands or any object prone to static charge Use only the specified parts to replace the fixing unit thermostat Never substitute electric wires as the MFP may be seriously damaged Use the following testers when measuring voltages Hioki 3200 Sanwa MD 180C Sanwa YX 360TR Beckman TECH300 Beckman DM45 Beckman 330 Beckman 3030 Beckman DM850 Fluke 8060A Arlec DMM1050 Arlec YF1030C Capable of measuring RMS...

Страница 170: ...the start key Enter the maintenance item number using the up down cursor keys or numeric keys The selected maintenance item is run Press the stop clear key Press the start key Start End Maintenance mode is entered The maintenance item is selected Maintenance mode is exited Repeat the same maintenance item Run another maintenance item No No Yes Yes ...

Страница 171: ...ace the separation pulley Procedure 1 Open the front cover and left cover Remove the waste toner box 2 Pull out the drawer Figure 1 6 1 3 Remove the screw and then the front left lower cover 4 Remove the screw and then the lower paper feed unit Drawer Front left lower cover Lower paper feed unit Figure 1 6 2 Figure 1 6 3 ...

Страница 172: ...ley unit from the lower paper feed unit 6 Remove the separation pulley from the separation pulley unit 7 Replace the separation pulley and refit all the removed parts Separation pulley Lower paper feed unit Separation pulley unit Figure 1 6 4 ...

Страница 173: ...ower paper feed unit see page 1 6 3 2 Remove the drum unit see page 1 6 38 3 Remove the rear cover 4 Remove the paper feed clutch stop ring and bushing at the machine rear Bushing Paper feed clutch Stop ring Upper paper feed unit Figure 1 6 7 Figure 1 6 6 Figure 1 6 5 5 Remove the screw and then the registration guide 6 Remove the screw and then the upper paper feed unit Registration guide ...

Страница 174: ... forwarding pulley from the upper paper feed unit 9 Remove the paper feed pulley from the upper paper feed unit 10 Replace the forwarding pulley and paper feed pulley and refit all the removed parts Upper paper feed unit Bushing Stop ring Shaft holder Spring Spring Forwarding pulley Paper feed pulley Figure 1 6 8 Figure 1 6 9 ...

Страница 175: ...ings Figure 1 6 10 2 Screw Paper feeder Screw Screw 3 Open the drawer left cover 4 Remove the two stop ring gear and spring pin from rear side of the feed roller When removing the gear take care not to lose the spring pin 5 Slide the bearings in the front and rear of the feed roller toward the inside push the feed roller once into the rear side of the machine and then remove it from the paper feed...

Страница 176: ...cover 2 Remove the screw and then the lower paper feed unit 3 Remove the drawer separation pulley unit from the lower paper feed unit 4 Remove the drawer separation pulley from the drawer separation pulley unit 5 Replace the drawer separation pulley and refit all the removed parts Lower paper feed unit Drawer separation pulley Lower paper feed unit Drawer separation pulley unit Figure 1 6 11 Figur...

Страница 177: ...ocedure 1 Remove the main body from the paper feeder see page 1 6 7 2 Remove the lower paper feed unit see page 1 6 8 3 Remove the drawer rear cover 4 Remove the stop ring and drawer paper feed clutch from the machine rear side Remove the stop ring and bushing 5 Remove the screw and then the upper paper feed unit Drawer paper feed clutch Stop ring Bushing Stop ring Upper paper feed unit Figure 1 6...

Страница 178: ...ulley from the upper paper feed unit 8 Remove the drawer paper feed pulley from the upper paper feed unit 9 Replace the drawer forwarding pulley and drawer paper feed pulley and refit all the removed parts Upper paper feed unit Bushing Stop ring Shaft holder Spring Spring Drawer forwarding pulley Drawer paper feed pulley Figure 1 6 15 Figure 1 6 16 ...

Страница 179: ...re the paper conveying unit Remove the fitting projection and pin and then remove the stopper from the front side 3 Open the left cover until it is put horizontally 4 Push the fitting portions of the fixtures located on the front and rear and then remove the fixtures from the left cover 5 Remove the left cover from the MFP Left cover Strap Fitting projection Pin Stopper Fixture Left cover Fixture ...

Страница 180: ...ve the bypass upper cover from the bypass unit Bypass upper cover Bypass lower cover Connector Paper conveying unit Figure 1 6 21 Figure 1 6 20 Figure 1 6 19 7 Detach the connector and remove the bypass lower cover from the MFP 8 Remove the paper conveying unit from the MFP ...

Страница 181: ...the waste toner box Pull out the drawer 2 Remove the screw and then the front left lower cover 3 Remove the paper conveying unit see page 1 6 11 4 Remove the stop ring and bushing at the machine front side 5 Remove the rear cover 6 Remove the stop ring and bypass paper feed clutch gear at the machine rear side Front left lower cover Bushing Stop ring Bypass paper feed clutch gear Stop ring Figure ...

Страница 182: ...m the bypass paper feed pulley shaft 9 Push the fitting portions of the bypass separation pad Remove the bypass separation pad from the MFP 10 Replace the bypass paper feed pulley and bypass separation pad and refit all the removed parts Bypass paper feed pulley unit Bypass paper feed pulley Bypass paper feed pulley shaft Bypass separation pad Figure 1 6 25 Figure 1 6 26 Figure 1 6 27 ...

Страница 183: ...move the paper conveying unit see page 1 6 11 2 Remove the transfer roller see page 1 6 42 3 Release the stoppers at the front and rear side and then remove the registration left roller from the paper conveying unit 4 Replace the registration left roller and refit all the removed parts 3 Remove the screw and then the registration cleaner 4 Replace the registration cleaner and refit all the removed...

Страница 184: ...errupt key Is the leading edge registration correct Press the start key The new setting is stored Press the stop clear key to exit maintenance mode End Select the items to be adjusted using the up down cursor keys For output example 1 decrease the value using the left cursor key For output example 2 increase the value using the right cursor key Setting range Initial setting RCL ON 5 0 10 0 0 9 RCL...

Страница 185: ...ade in maintenance mode Procedure Original Copy example 1 Copy example 2 Figure 1 6 32 Yes No Start Enter maintenance mode Enter 407 using the numeric keys Press the start key Press the interrupt key Press the start key and make a test copy Is the leading edge registration correct Press the start key The new setting is stored Setting range 2 0 2 0 Initilal setting 0 0 Changing the value by 1 moves...

Страница 186: ...0 LSU BYP 7 0 10 0 0 4 LSU T1 7 0 10 0 1 2 LSU T1 7 0 10 0 1 2 LSU T1 7 0 10 0 1 2 LSU DUP 7 0 10 0 0 3 Changing the value by 1 moves the center line by 0 1 mm LSU OUT Drawer LSU BYP Bypass tray LSU T1 Optional first paper feeder standard for 20 ppm model LSU T2 Optional second paper feeder LSU T3 Optional third paper feeder LSU DUP Duplex copying second face 10 3 Adjusting the center line of imag...

Страница 187: ...rrect Press the start key The new setting is stored Press the stop clear key to exit maintenance mode End For output example increase the value using the right cursor key Setting range 4 0 10 0 Initial setting 0 0 Changing the value by 1 moves the trailing edge by 0 1 mm Increasing the setting makes the margin narrower and decreasing it makes the margin wider Press the start key Select the ADJ MGN...

Страница 188: ...Press the start key Press the start key to output a test pattern using A3 11 17 paper Press the start key The new setting is stored Setting range initial setting LEAD 0 0 10 0 3 0 AC 3 4 10 0 3 0 TRAIL 5 0 10 0 4 0 Changing the value by 1 moves the leading edge by 0 1 mm Select the items to be adjusted using the up down cursor keys Are the margins correct Change the setting Increasing the value us...

Страница 189: ...e items to be adjusted using the up down cursor keys Is the leading edge of the image missing or varying randomly copy example 1 Is the copy paper Z folded copy example 2 Increase the value using the right cuusor key Press the start key End Press the stop clear key to exit maintenance mode Setting range Initial setting PF1 50 127 20 BYPASS 50 127 0 PF2 50 127 0 PF3 50 127 20 PF4 50 127 20 DUPLEX 5...

Страница 190: ...t glass Figure 1 6 37 3 Move the mirror 1 frame to the cutouts of the machine When moving the mirror 1 frame do not touch the exposure lamp nor the inverter PCB 4 Detach the exposure lamp connector from the inverter PCB and release the wire from three clamps 5 Remove the two screws holding the exposure lamp and then the lamp 6 Replace the exposure lamp and refit all the removed parts Upper right c...

Страница 191: ... Remove the two screws holding the middle left cover and upper left cover and then the covers 3 Remove the screw and then the slit retainer and slit glass Detach the fitting portions and then remove the front scanner cover 4 Remove the inverter wire guide and then detach the inverter wire from the inverter PCB Middle left cover Upper left cover Upper rear cover Front scanner cover Slit retainer Sl...

Страница 192: ...r 1 frame from the scanner unit 6 Unhook the round terminal of the scanner wire from the scanner tension spring on the left side of the scanner unit 7 Remove the scanner wire Mirror 1 frame Rear wire retainer Front wire retainer Scanner tension springs Round terminal Round terminal Figure 1 6 43 Figure 1 6 44 ...

Страница 193: ...ing tools Two frame securing tools P N 2AV6808 Two scanner wire stoppers P N 3596811 Procedure 1 Remove the screw and then scanner wire drum gear at the machine rear side 2 Remove the stop ring and bushing from the front of the scanner wire drum shaft 3 Remove the scanner wire drum shaft from the scanner unit Scanner wire drum gear Scanner wire drum shaft Bushing Stop ring Figure 1 6 45 Figure 1 6...

Страница 194: ...utward 5 Secure the scanner wires using the scanner wire stoppers 6 Refit the scanner wire drum shaft to the scanner unit 7 Insert the two frame securing tools into the positioning holes at the front and rear of the scanner unit to pin the mirror 2 frame in position Three turns inward Three turns inward Four turns outward Four turns outward Locating ball Scanner wire drum Scanner wire stoppers Mir...

Страница 195: ... of the scanner unit 5 13 Hook the round terminals onto the scanner tension springs 6 14 Remove the scanner wire stoppers and frame securing tools 15 Gather the scanner wires toward the locating balls 16 Move the mirror 2 frame from side to side to correctly locate the wires in position 17 Put the mirror 1 frame on the scanner rail and move it toward the left side of the machine 18 Insert the fram...

Страница 196: ...ISU 1 Align the positioning holes of the ISU by pushing it a little and attach the ISU to the scanner unit Attach the ISU with reference to marking C 2 Secure the ISU using the four screws 3 Refit the CCD wire to CCD PCB 4 Refit all the removed parts 3 Detach the CCD wire from the CCD PCB 4 Remove the four screws holding the ISU and then the ISU 5 Replace the ISU ISU cover ISU CCD PCB CCD wire ISU...

Страница 197: ...t glass upper rear cover middle left cover upper left cover slit glass and front scanner cover see page 1 6 23 3 Remove the four screws holding the right cover and then the cover Remove the seven screws holding the rear cover and then the cover 4 Detach the connector YC8 on the main PCB Detach the connectors YC16 YC17 YC18 and YC19 on the engine PCB Figure 1 6 54 Figure 1 6 55 Rear cover Right cov...

Страница 198: ...the screw holding the exit cover and then the cover Remove the two screws holding the inner rear cover and then the cover 7 Remove the front and rear left cover Scanner unit Pin Pin Pin Pin Front left cover Rear left cover Inner rear cover Exit cover Figure 1 6 56 Figure 1 6 57 Figure 1 6 58 ...

Страница 199: ... little 9 Remove the exit tray 10 Remove the four screws and detach the two connector and then remove the laser scanner unit 11 Replace the laser scanner unit and refit all the removed parts Exit tray Laser scanner unit Connector Connector Exit unit Figure 1 6 61 Figure 1 6 60 Figure 1 6 59 ...

Страница 200: ...ent output a VTC PG2 pattern in maintenance item U993 to use as the original for the adjustment Procedure Original Copy example 1 Copy example 2 Figure 1 6 62 Yes No Press the start key and make a test copy at 100 magnification Start Remove the contact glass Loosen the two screws and adjust the position of the mirror 2 frame For copy example 1 move the frame in the direction of the white arrow e F...

Страница 201: ... 1 6 36 after this adjustment Procedure Original Copy example Copy example 2 Figure 1 6 64 Enter maintenance mode Enter 065 using the numeric keys Yes No Start End Press the interrupt key Place an original and press the start key to make a test copy Is the image correct Setting range 25 25 Initial setting 0 Changing the value by 1 changes the magnification by 0 1 Increasing the value makes the ima...

Страница 202: ...e 1 6 65 Enter maintenance mode Enter 065 using the numeric keys Yes No Start Press the interrupt key Place an original and press the start key to make a test copy Is the image correct Setting range 25 25 Initial setting 10 Changing the value by 1 changes the magnification by 0 1 Increasing the value makes the image longer and decreasing it make the image shorter For copy example 1 increase the va...

Страница 203: ...ic keys Press the start key Press the interrupt key Place an original and press the start key to make a test copy For copy example 1 decrease the value using the left cursor key For copy example 2 increase the value using the right cursor key Press the start key The new setting is stored Press the stop clear key to exit maintenance mode Setting range Initial setting ADJUST DATA 1 32 32 7 ADJUST DA...

Страница 204: ...an original and press the start key to make a test copy Select the items to be adjusted using the up down cursor keys Is the scanner center line correct Press the start key The new setting is stored Setting range Initial setting ADJUST DATA 1 39 39 4 ADJUST DATA 2 39 39 0 Changing the value by 1 moves the center line ADJUST DATA 1 0 17 mm ADJUST DATA 2 0 084 mm For copy example 1 decrease the valu...

Страница 205: ...ms to be adjusted using the up down cursor keys Are the margins correct Press the interrupt key Yes No Proceed to another mode End Press the stop clear key to exit maintenance mode A MARGIN Scanner left margin B MARGIN Scanner leading edge margin C MARGIN Scanner right margin D MARGIN Scanner trailing edge margin 10 Adjusting the margins for scanning an original on the contact glass Perform the fo...

Страница 206: ... Procedure 1 Open the front cover and left cover Remove the waste toner box and toner container 2 Remove the inner cover 3 Remove the screw holding the developing release lever 4 Pull the developing release lever and then release the developing unit 5 Remove the screw and detach the connector and then remove the drum unit from MFP 6 Replace the drum unit and refit all the removed parts Developing ...

Страница 207: ...paration claws Procedure 1 Remove the drum unit see page 1 6 38 2 Push the drum separation claws with the minus driver from the top of the corner hole and remove the claws 3 Replace the drum separation claws and refit all the removed parts Drum unit Drum separation claws Drum separation claw Coner hole Figure 1 6 71 ...

Страница 208: ...2 While lifting the main charger unit toward the upper right remove the unit from the MFP 3 While pressing the main charger release lever in the direction indicated by the arrow at the removal stopper position to release the removal stopper remove the main charger unit from the MFP 4 Replace the main charger unit and refit all the removed parts Main charger unit Main charger release lever Figure 1...

Страница 209: ...ng unit Follow the procedure below to replace the developing unit Procedure 1 Remove the drum unit see page 1 6 38 2 While lifting the developing unit a little remove the unit from the MFP 3 Replace the developing unit and refit all the removed parts Developing unit Figure 1 6 73 ...

Страница 210: ...nt and rear release lever stoppers and then the stoppers from the release lever shaft 3 Detach the fitting portions located on the front and rear and then remove the transfer roller from the paper conveying unit 4 Replace the transfer roller and refit all the removed parts Paper conveying unit Rear release lever stopper Front release lever stopper Transfer roller Fitting portion Fitting portion Pa...

Страница 211: ...hing and refitting the fixing unit Follow the procedure below to replace the fixing unit Procedure 1 Open the front cover and left cover and then remove the inner cover 2 Insert a flat blade screwdriver or the like through the groove at the left side of the machine and unlock the engaged portion of front left cover 1 to remove it Figure 1 6 76 Figure 1 6 77 3 Remove the screw and then remove the f...

Страница 212: ...2DA 2DB 1 1 6 44 5 Remove the screw and detach the two connectors and then remove the fixing unit from MFP 6 Replace the fixing unit and refit all the removed parts Fixing unit Connectors Figure 1 6 79 ...

Страница 213: ... and then separate the fixing right unit and left unit 3 Remove the three screws holding the press roller guide from fixing right unit 4 Remove the press roller from the fixing right unit 5 Replace the press roller and refit all the removed parts Fixing left unit Fixing right unit Press roller guide Fixing right unit Press roller Fixing right unit Figure 1 6 82 Figure 1 6 81 Figure 1 6 80 ...

Страница 214: ...t and left unit see pages 1 6 43 45 2 Remove the two screws holding each of the fixing heater M and S on the front and rear of the fixing left unit 3 Pull out the fixing heater M and S from the fixing left unit 4 Replace the fixing heater M and S and refit all the removed parts Fixing heater M Fixing heater M Fixing heater S Fixing heater S Fixing heater S Fixing heater M Figure 1 6 83 Figure 1 6 ...

Страница 215: ...e fixing right unit and left unit see pages 1 6 43 45 2 Detach the fitting portions and then remove the heat roller guide from the fixing left unit 3 Remove the heat roller separation claws from the fixing left unit 4 Replace the heat roller separation claws and refit all the removed parts Heat roller guide Fixing left unit Heat roller separation claws Fixing left unit Figure 1 6 85 Figure 1 6 86 ...

Страница 216: ...eparate the fixing right unit and left unit see pages 1 6 43 45 2 Remove the heat roller separation claws see page 1 6 47 3 Pull out the heat roller bushing from the fixing left unit and then remove the heat roller 4 Replace the heat roller and refit all the removed parts Fixing left unit Heat roller Heat roller bushing Heat roller bushing Figure 1 6 87 ...

Страница 217: ...thermistor 4 Replace the fixing thermistor and refit all the removed parts 6 Detaching and refitting the fixing thermostat Follow the procedure below to replace the fixing thermostat Procedure 1 Remove the fixing unit and separate the fixing right unit and left unit see pages 1 6 43 45 2 Remove the heat roller see page 1 6 48 3 Remove the two screws holding the fixing thermostat and then the therm...

Страница 218: ...t on the third step from the bottom of the spacer to adjust the spacer position height adjustment of 0 5 mm In the case of copy example 2 the trailing edge of image of the machine front side becomes longer Place the fixing unit on the first step from the bottom of the spacer to adjust the spacer position height adjustment of 0 5 mm 5 Retighten the screw holding the fixing unit and refit the stoppe...

Страница 219: ...lug 2 Remove the rear cover 3 Insert Compact Flash in a socket of the machine insert the surface of Compact Flash toward the machine rear 4 Insert the power plug and turn the power switch on Upgrading firmware starts Caution Never turn the power switch off during upgrading 5 Completed is indicated on the message display when upgrading is complete 6 Turn the power switch off and disconnect the powe...

Страница 220: ...nsert Compact Flash in a notch hole of the machine insert the surface of Compact Flash toward the machine rear 3 Insert the power plug and turn the power switch on Upgrading firmware starts Caution Never turn the power switch off during upgrading 4 Completed is indicated on the message display when upgrading is complete 5 Turn the power switch off and disconnect the power plug 6 Remove Compact Fla...

Страница 221: ...tage PCB VR201 VR202 VR301 Drum unit zener PCB VR1 1 7 4 Remarks on PCBs replacement Confirm the version of the firmware and upgrade the version in up to date state when replacing PCBs When replacing the engine PCB or main PCB remove the EEPROM from the engine PCB or main PCB that has been removed and then reattach it to the new engine PCB or main PCB Figure 1 7 3 EEPROM EEPROM ...

Страница 222: ...aper feed pulley The separation pulley prevents multiple sheets from being fed at one time via the torque limiter The bypass tray can hold up to 50 sheets of paper Paper is fed from the bypass tray by the rotation of the bypass paper feed pulley 1 Separation pulley 2 Forwarding pulley 3 Paper feed pulley 4 Bypass paper feed pulley 5 Bypass separation pad 6 Left registration roller 7 Right registra...

Страница 223: ... model only YC8 2 YC6 2 YC8 9 YC8 3 YC8 5 YC8 2 YC8 8 YC10 YC3 YC1 4 YC1 9 YC1 15 YC1 13 YC1 16 YC1 10 YC2 1 2 4 5 YC5 12 YC2 1 YC3 2 YC6 2 YC5 9 YC22 1 2 4 PFCL PFCL RM RM DPFCL YC9 2 3 4 5 DDM A B _A _B RSW RSW PSW PSW PLSW PLSW BYPPFSOL BYPPFCL BYPPWSW BYPPWSW PFCL RM RSW PSW DFSW DFSW BYPPFSOL BYPPWSW ...

Страница 224: ...dary paper feed e 550 ms after the registration motor RM turns on the paper feed clutch PFCL turns off f 1900 ms after the registration motor RM turns on the registration switch RSW turns off At the same time the paper feed clutch PFCL turns on to start primary paper feed of the second sheet g 320 ms after the registration switch RSW turns off the registration motor RM turns off PFCL 105 ms 105 ms...

Страница 225: ...ning and the laser scanner unit for printing 1 Mirror 1 frame 2 Mirror 2 frame 3 Exposure lamp EL 4 Mirror 1 5 Mirror 2 6 Mirror 3 7 Image scanning unit ISU 8 CCD PCB CCDPCB 9 Laser scanner unit LSU 0 Scanner home position switch SHPSW Original detection switch ODSW Original size detection sensor OSDS Figure 2 1 3 Optical section ...

Страница 226: ...t and rear of the machine to scan from side to side The speed of the mirror frames is half the speed of the scanner When the DP is used the scanner and mirror frames stop at the DP original scanning position to start scanning Figure 2 1 4 Optional section block diagram Original INPCB CCDPCB MPCB EPCB PDPCB APCPCB OSDS ODSW SHPSW OSDS ODSW SHPSW EL EL ON SM PDN SM PM LSU PM YC2 1 YC8 1 YC8 18 YC7 1...

Страница 227: ...n scan 5 Polygon motor Drives the polygon mirror 6 Fθ lens Corrects for non linearity of the laser beam scanning speed on the drum surface keeps the beam diameter constant and corrects for the vertical alignment of the polygon mirror to ensure that the focal plane of the laser beam is on the drum surface 7 Fθ lens Corrects for non linearity of the laser beam scanning speed on the drum surface keep...

Страница 228: ... drum forming a static latent image on the drum The static latent image of the letter A for example is formed on the drum surface as shown in Figure 2 1 7 Electrical charge is dissipated on the area of the drum surface irradiated by the laser The focal point of the laser beam is moved line by line and adjacent lines slightly overlap each other Less than 100 µm Less than 85 µm Main scanning directi...

Страница 229: ...n charger cleaner that is used for cleaning the main charger wire The cleaning section consists of the cleaning blade and cleaning roller that removes residual toner from the drum surface after the transfer process and the cleaning spiral that carries the residual toner back to the waste toner box The cleaning lamp CL consists of LEDs which remove residual charge from the drum surface Figure 2 1 8...

Страница 230: ...he drive motor DM turns on main charging starts c 840 ms after the exit switch ESW off main charging is completed d The drive motor DM turns off at the same time the cleaning lamp CL turns off Figure 2 1 9 Drum section block diagram MHVADJC CL MHVDRN MC Grid Drum HVTPCB YC1 8 YC1 12 YC9 5 YC9 9 YC3 7 8 EPCB ZENER PCB CL Main charging CL DM ESW 100 ms 840 ms ...

Страница 231: ... is formed the doctor blade and the developing spirals that agitate the toner Also the toner container sensor TCS checks whether or not toner remains in the toner container 1 Developing unit 2 Developing roller 3 Doctor blade 4 Left developing spiral 5 Right developing spiral 6 Toner container 7 Toner container sensor TCS 8 Toner container detection switch TCDSW Figure 2 1 10 Developing section ...

Страница 232: ...d by the position of the poles on the magnet roller and the position of the doctor blade A developing bias voltage generated by the high voltage PCB HVTPCB is applied to the developing roller to provide image contrast Figure 2 1 11 Forming a magnetic brush Figure 2 1 12 Developing section block diagram A Doctor blade Developing roller A Distance between the doctor blade and developing roller 0 3 0...

Страница 233: ...m that has not been exposed to light toner is attracted toward the sleeve and development is not performed When toner comes to an area where the gap between the drum and the developing sleeve is large an electric field disappears and toner does not leave the developing sleeve Development is complete North pole South pole Developing sleeve Drum Magnetic toner blade Toner Figure 2 1 13 Single compon...

Страница 234: ...rging Paper after transfer is separated from the drum by applying separation bias that is output from the high voltage PCB HVTPCB to the separation electrode Figure 2 1 16 Transfer and separation sections block diagram Figure 2 1 15 Transfer and separation sections SHVDRN TC SC THVDRN YC1 10 YC1 6 YC9 7 SHVISELN YC1 14 YC9 3 YC9 11 THVADJ YC1 4 YC9 13 MPCB HVTPCB Transfer roller Separation electro...

Страница 235: ...rging starts transfer charging starts c 670 ms after the registration switch RSW turns off transfer charging ends d 100 ms after transfer charging ends separation charging ends PFCL Primary feed Secondary feed Primary feed Secondary feed 105 ms 250 ms 105 ms 250 ms RSW RM Dev BIAS Separation charging Transfer charging ESW 430 ms 430 ms 150 ms 330 ms 320 ms 150 ms 290 ms 10 ms 670 ms 10 ms 2020 ms ...

Страница 236: ...ermistor FTH and is regulated by the fixing heaters turning on and off If the fixing section becomes abnormally hot fixing thermostat FTS operates shutting the power to the fixing heaters off When the fixing process is completed the paper is separated from the heat roller by its separation claws and is conveyed from the MFP to exit and switchback section 1 Left fixing unit 2 Right fixing unit 3 Pr...

Страница 237: ... after specified time the heater turns off 2 When fixing heater S FH S turns off fixing heater M FH M turns on at the same time and after specified time the heater turns off 3 The operation above is repeated to keep the fixing temperature to the preset temperature If a temperature more than or equal to the preset temperature 20 C 68 F is detected both fixing heater S FH S and fixing heater M FH M ...

Страница 238: ...it motor In duplex copying paper is turned over by reverse rotation of the exit motor 1 Feedshift guide 2 Exit roller 3 Exit pulley 4 Feedshift guide 5 Switchback roller 6 Switchback pulley 7 Exit switch ESW 8 Feedshift switch FSSW Figure 2 1 21 Exit and switchback sections block diagram Figure 2 1 20 Exit and switchback sections EPCB EM ESW FSSW YC14 1 2 3 4 YC15 2 YC15 3 EM ESW FSSW ...

Страница 239: ...r is then conveyed to the MFP paper feed section by the upper and lower duplex feed rollers 1 Duplex feed pulley 2 Upper duplex feed roller 3 Duplex feed pulley 4 Lower duplex feed roller 5 Duplex paper conveying switch DPPCSW Figure 2 1 23 Duplex section block diagram Figure 2 1 22 Duplex section DPCB DUPFCL DUPPCSW DUPFCL DUPPCSW YC5 5 YC5 8 YC1 11 YC1 12 EPCB YC8 7 YC8 6 DUPFCL DUPPCSW ...

Страница 240: ...e duplex unit via the exit roller and the switchback roller Paper that has been conveyed to the duplex unit is conveyed to the paper feed section again by rotation of the upper duplex feed roller and the lower duplex feed roller and copying onto the front side is performed Figure 2 1 24 Exit roller Exit roller Switchback roller Exit roller Copying onto reverse side forward rotation of exit motor S...

Страница 241: ...rter PCB INPCB Controls the exposure lamp 6 CCD PCB CCDPCB Reads the image off originals 7 Operation unit PCB OPCB Consists of the operation keys and display LEDs 8 Drawer PCB DPCB Controls the electrical components 9 APC PCB APCPCB Generates and controls the laser light 10 PD PCB PDPCB Controls horizontal synchronizing timing of laser beam 11 Registration motor PCB RMPCB Controls the registration...

Страница 242: ...on the bypass tray 8 Scanner home position switch SHPSW Detects the optical system in the home position 9 Original detection switch ODSW Operates the original size detection sensor 10 Original size detection sensor OSDS Detects the size of the original 11 Registration switch RSW Controls the secondary paper feed start timing 12 Exit switch ESW Detects a paper misfeed in the fixing section 13 Feeds...

Страница 243: ... the drawer 21 Drawer paper size width switch DPWSW 1 Detects the width of paper in the drawer 22 Drawer paper size length switch DPLSW 1 Detects the length of paper in the drawer 23 Duplex paper conveying switch DUPPCSW 2 Detects a paper misfeed in the duplex unit 1 Optional for 16 ppm model Standard for 20 ppm model 2 Optional ...

Страница 244: ...r EM Drives the exit section 4 Cooling fan motor 1 CFM1 Cools the machine interior 5 Cooling fan motor 2 CFM2 Cools the machine interior 6 Cooling fan motor 3 CFM3 Cools the machine interior 7 Polygon motor PM Drives the polygon mirror 8 Registration motor RM Drives the registration roller 9 Drawer drive motor DDM 1 Drives the drawer section 1 Optional for 16 ppm model Standard for 20 ppm model ...

Страница 245: ... charge from the drum surface 5 Fixing heater M FH M Heats the heat roller 6 Fixing heater S FH S Heats the heat roller 7 Fixing thermostat FTS Prevents overheating in the fixing section 8 Drawer heater DH 2 Dehumidifies the drawer section 9 Drawer heater DH 2 Dehumidifies the drawer section 10 Drawer paper feed clutch DPFCL 1 Primary paper feed from the drawer 11 Duplex feed clutch DUPFCL 2 Contr...

Страница 246: ...rom the zero cross output circuit through the photo coupler PC3 The fixing heater control circuit is divided into the sub heater output SH OUT and the main heater output MH OUT When the control signals SHEATN and MHEATN input from the machine engine side show a low level this circuit turns on the sub heater and the main heater respectively by turning on the photo triac couplers PC2 and PC201 with ...

Страница 247: ...2DA 2DB 1 2 3 2 Figure 2 3 2 Power source PCB silk screen diagram 220 240 V AC 120 V AC ...

Страница 248: ...pply Via LCSSW 4 SGND Ground 5 ZCROSSC O Zero cross signal 6 SLEPN I Power source sleep signal 7 SHEATN I FH S on off 8 MHEATN I FH M on off 9 COUNTN I Counter control signal 10 PGND Ground 11 PGND Ground 12 24V1 O 24 V DC power supply for EPCB 13 24V1 O 24 V DC power supply for EPCB 14 24V O 24 V DC power supply for EPCB 1 5V1 O 5 V DC power supply for FCSSW 2 NC Not used 3 5V3 I 5 V DC power sup...

Страница 249: ...otor Engine PCB Main PCB XIO U49 LCD controller U17 Operation PCB LCD PCB EEPROM U39 RTC U40 Analog 8bit ADCLK CCDCLK1 2 Serial I O Data bus Address bus IICSDA IICSCL IICSDA IICSCL 8bit PVSYNC 8bit Work memory U54 U57 Buffer Program memory Flash ROM U23 Codec IC U19 VIDEO_PRT_P LVDS 5VAPC Q1 Q2 The main PCB MPCB consists of mainly CPU U56 program memory flash ROM U23 work memory SDRAMs U54 U57 XIO...

Страница 250: ... B49 B50 A49 A50 B1 B2 A1 A2 13 1 7 1 10 11 18 17 2 1 1 2 19 1 26 25 50 20 1 1 12 5 YC5 YC12 YC2 YC1 YC3 YC13 YC16 YC9 YC7 50 49 100 99 4 2 3 1 2 1 52 51 50 49 100 99 2 1 52 51 72 70 71 69 YS2 YS1 YS15 YC10 YC11 20 19 2 1 2 20 19 1 YS8 13 14 1 2 A19 A20 B19 B20 A1 A2 B1 B2 YS3 ...

Страница 251: ... DC power supply for APCPCB 1 SCAN7N O Key switch scan signal 7 2 SCAN6N O Key switch scan signal 6 3 SCAN5N O Key switch scan signal 5 4 SCAN4N O Key switch scan signal 4 5 SCAN3N O Key switch scan signal 3 6 SCAN2N O Key switch scan signal 2 7 SCAN1N O Key switch scan signal 1 8 SCAN0N O Key switch scan signal 0 9 BUZERDRN O OPCB buzzer signal 10 5V O 5 V DC power supply for OPCB 11 SGND Ground ...

Страница 252: ... E2CSBSYN I Engine communication E2CSBSYN signal 14 3 3V I 3 3 V DC power supply from PRNPCB 15 E2CSDIR I Engine communication E2CSDIR signal 16 PLGCLK O PM clock signal 17 OUTEPN I Laser diode output signal 18 PVSYNC I Printing image interval signal 19 OVSYNC I Original scanning interval signal 20 5VAPC I 5 V DC power supply from PRNPCB 1 SGND Ground 2 C2PW_UP_PRTN I C2PW_UP_PRTN signal 3 SGND Gr...

Страница 253: ...PLEN LOPSEL0 LOPSEL1 LOPSEL2 LOPSRDY HVCLK DB MHVIADJ THVIADJ ERASER1N ERASER2N THERMA ISU Finisher Job separator Duplex unit Fixing unit RM Paper feeder LSU CPU ASIC MPCB Scanner unit DP INPCB CCDPCB TONEEPY TONEFUL UOPSEL UOPRDY UOPSDO UOPSDI SCLK SLSOLN RLSOLN ICLTN IPPSWN SLEPN ZCROSSC MHEATN SHEATN 24V4 24V1 5V 24V4 5V4 24V4 24V4 C1PLSW1N C1PLSW2N C1PLSW3N C1PWSWN C1PDSW PLSW PWSW 5V2 5V BPWS...

Страница 254: ...am YC24 YC13 YC12 YC4 U13 YC23 YC11 YC7 YC3 YC14 YC15 YC5 YC10 YC20 YC21 YC1 YC2 YC6 YC17 U15 YC16 YC19 YC18 U7 U6 U12 U8 U9 U10 U16 U11 YC8 YC22 YC9 1 6 3 1 6 1 1 1 12 4 1 6 1 1 16 17 U1 X1 1 11 4 1 14 1 22 1 2 1 1 5 7 1 1 4 1 2 9 1 2 1 7 1 15 1 4 1 4 1 1 13 ...

Страница 255: ... PRNPCB 1 PLGCLKN O PM clock signal 2 PLGRDYN I PM rotation sync signal 3 PLGDRN O PM on off 4 PLGGND Ground 5 PLG 24V4 O 24 V DC power supply for PM 6 ERASE 24V4 O 24 V DC power supply for CL 7 ERASE2N O CL on off 2 8 ERASE1N O CL on off 1 9 FAN1DRN O CFM1 on off 10 24V1 O 24 V DC power supply for CFM1 11 THERMA 5V O 5 V DC power supply for FTH 12 THERMA I FTH analog signal 13 TONEGND Ground 14 T...

Страница 256: ...V1 O 24 V DC power supply for DPCB 5 BPSOLN O BYPPFCL on off 6 ICLTN O DUPFCL on off 7 IPPSWN I DUPPCSW on off 8 BPWSW I BYPPWSW on off 9 REGSWN I RSW on off 10 TONEPY I TCS on off 11 SGND Ground 12 5V2 O 5 V DC power supply for DPCB 13 C1PWSWN I PWSW on off 14 HUMIDC I HUMSENS analog signal 15 HMCLK2 O HUMSENS clock signal 2 16 HMCLK1 O HUMSENS clock signal 1 17 TEMP I HUMSENS analog signal 1 HVC...

Страница 257: ...or the paper feeder 10 SGND Ground 11 5V2 O 5 V DC power supply for the paper feeder 1 24V4 O 24 V DC power supply for CFM2 2 FAN2DRN O CFM2 on off 1 24V4 O 24 V DC power supply for CFM3 2 FAN3DRN O CFM3 on off 1 24V1 O 24 V DC power supply for key counter 2 KEYCN O Key counter count signal 3 SGND Ground 4 KEYENBN I Key counter set signal 1 COMDA O EM control signal A 2 COMDNB O EM control signal ...

Страница 258: ... supply for OSDS 2 ORGLSWN I OSDS on off 3 SGND Ground 1 5 V I 5 V DC power supply from PSPCB 2 SGND Ground 3 PGND Ground 4 24V4 I 24 V DC power supply from PSPCB Via LCSSW 1 24V I 24 V DC power supply from PSPCB 2 24V1 I 24 V DC power supply from PSPCB 3 24V1 I 24 V DC power supply from PSPCB 4 PGND Ground 5 PGND Ground 6 COUNTN Not used 7 MHEATN O FH M on off 8 SHEATN O FH S on off 9 SLEPN O Pow...

Страница 259: ...IR U34 3 3V 1 8V regulator 3 3V 1 8V U33 U5 3 3V 2 5V regulator 3 3V 2 5V U32 3 3V regulator circuit 5VCONV 3 3 V SDRAM data bus SDD31 0 SDD31 0 SDD15 0 SDD31 16 SDA12 0 SDA12 0 SDRAM address bus YS2 SDD31 0 Option SDRAM DIMM socket SDCLK1 2 SDA12 0 SDCLK0 SDCSN0 IICSCL IICSDA SDCSN2 3 SDRASN SDCASN SDWEN SDBA1 SDBA0 SDCLKE DQMN3 DQMN2 DQMN1 DQMN0 OPRSTN1 KUIOCSN1 OPRDY1 DMAACK1N IOR1N IOW1N IODTA...

Страница 260: ... 2 3 15 Figure 2 3 8 Printer board PCB silk screen diagram YC1 50 25 26 1 YC10 YC12 YC6 2 1 16 15 B2 B1 A2 A1 B30 B29 A30 A29 1 22 YS2 YS1 YC2 26 19 1 1 1 5 10 36 18 99 100 49 50 72 70 71 69 1 50 25 YC3 YC11 YC9 ...

Страница 261: ...C power supply from EPCB 21 PGND Ground 22 24V I 24 V DC power supply from EPCB 1 24V O 24 V DC power supply for MPCB 2 SGND Ground 3 12VCCD O 12 V DC power supply for MPCB 4 E2CSGND Ground 5 E2CRSTN O Reset signal 6 E2CEGIRN O Engine communication E2CEGIRN signal 7 PDMASKN O Printing image interval signal 8 E2CEGSO O Engine serial communication transmission 9 E2CSCKN I Engine communication clock ...

Страница 262: ...ly for MPCB 9 C2PSCKN O Engine communication clock signal 10 5V O 5 V DC power supply for MPCB 11 C2PEGSI I Engine serial communication transmission 12 5V O 5 V DC power supply for MPCB 13 C2SBSYN I Engine communication C2SBSYN signal 14 3 3V O 3 3 V DC power supply from PRNPCB 15 C2PSDIR I Engine communication E2CSDIR signal 16 PRBDN I Laser sync signal 17 SGND Ground 18 C2PVIDEO_PRN_N O C2PVIDEO...

Страница 263: ...l SCAN0 back to the main PCB MPCB via the return signal KEY9 The main PCB MPCB locates the position where the line outputting the scan signal and the line inputting the return signal cross and thereby determines which key switch was operated YC1 YC2 SGND 5V BUZERDRN SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 SCAN5 SCAN6 SCAN7 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KE...

Страница 264: ...2DA 2DB 1 2 3 19 Figure 2 3 10 Operation unit PCB silk screen diagram ...

Страница 265: ...1 SCAN7N I Key switch scan signal 7 1 KEY0 O Key switch return signal 0 2 KEY1 O Key switch return signal 1 3 KEY2 O Key switch return signal 2 4 KEY3 O Key switch return signal 3 5 KEY4 O Key switch return signal 4 6 KEY5 O Key switch return signal 5 7 KEY6 O Key switch return signal 6 8 KEY7 O Key switch return signal 7 9 KEY8 O Key switch return signal 8 10 KEY9 O Key switch return signal 9 11 ...

Страница 266: ...from the main PCB MPCB and then input to the CCD sensor U2 via the clock drivers U1 and U3 Image signals are analog signals Even and odd numbered pixels are output separately These analog image signals are amplified in the transistors TR1 to 4 and then transmitted to the analog signal processing circuit in the main PCB MPCB 2 3 6 CCD PCB MPCB Tr AMP Driver CCD sensor U2 U1 U3 CCDPCB ...

Страница 267: ...RS I MPCB RS signal 7 SGND Ground 8 CCDCLKN I CCDCLKN signal 9 SGND Ground 10 CCDCLK I CCDCLK signal 11 SGND Ground 12 12V I 12 V DC power supply from MPCB 13 SGND Ground 14 5V I 5 V DC power supply from MPCB 15 CCDEN Ground 16 CCDE O CCDPCB image scanning signal 17 CCDON Ground 18 CCDO O CCDPCB image scanning signal Figure 2 3 12 CCD PCB silk screen diagram U1 U2 U3 U4 YC1 ...

Страница 268: ...CL Primary feed Scondary feed Primary feed Scondary feed 105 ms 250 ms 105 ms 250 ms RSW RM Dev BIAS Separation charging Transfer charging ESW YC8 3 YC8 9 YC4 4 YC9 7 YC9 11 YC15 2 430 ms 430 ms 150 ms 330 ms 320 ms 150 ms 290 ms 290 ms 10 ms 670 ms 10 ms 2020 ms 100 ms 1900 ms 16 ppm model 1810 ms 20 ppm model ...

Страница 269: ...condary feed Primary feed Scondary feed 120 ms 1100 ms 120 ms 1100 ms 2700 ms 2700 ms 16 ppm model RSW RM Dev BIAS ESW 434 ms 434 ms 330 ms 320 ms 290 ms 290 ms 10 ms 670 ms 670 ms 10 ms 2015 ms 100 ms 100 ms 320 ms 330 ms 1800 ms YC8 3 YC8 9 YC4 4 YC9 7 YC9 11 YC15 2 Separation charging Transfer charging 2510 ms 20 ppm model ...

Страница 270: ...l single side mode original size A4 11 8 1 2 two sheets DPFCL1 Primary feed Scondary feed Scondary feed Primary feed 200 ms 200 ms RSW RM YC8 9 YC4 4 DDM1 YC8 2 YC9 2 3 4 5 ESW 150 ms 290 ms 1740 ms 1740 ms 150 ms 290 ms 290 ms 10 ms 670 ms 2220 ms 100 ms 10 ms YC9 7 YC9 11 YC15 2 Separation charging Transfer charging ...

Страница 271: ... two sheets DPFCL2 Primary feed Scondary feed Scondary feed Primary feed 200 ms 200 ms DDM1 RSW DDM2 1420 ms 1370 ms 1370 ms 1420 ms 290 ms 150 ms 150 ms 290 ms 290 ms 10 ms 670 ms 2220 ms ESW RM DFSW1 YC8 9 YC9 7 YC9 11 YC15 2 YC4 4 10 ms 100 ms Separation charging Transfer charging YC8 2 YC9 2 3 4 5 YC6 2 YC9 2 3 4 5 ...

Страница 272: ...ting the LSU print start timing Adjusting the center line of the bypass tray printing adjustment LSU BYP 1 6 18 U034 U034 test pattern Registration motor turning on timing secondary paper feed start timing Adjusting the leading edge registration of the drawer printing adjustment RCL ON First paper feeder select RCL T1 Second paper feeder select RCL T2 Third paper feeder select RCL T3 Duplex copyin...

Страница 273: ...placed on the contact glass U072 For copying originals from the DP 1 6 36 1 4 18 U067 U072 Test chart Adjusting the original scan data image adjustment Adjusting the original scan data image adjustment Adjusting the leading edge margin scanning adjust ment B MARGIN B MARGIN U403 For copying an original placed on the contact glass U404 For copying originals from the DP 1 6 37 1 4 44 U403 U404 Test ...

Страница 274: ...pecified original P N 2AC68241 the following adjustments are automatically made Adjusting the DP magnification U070 Adjusting the DP scanning timing U071 Adjusting the DP center line U072 Image quality Item Specifications 100 magnification Copier 0 8 Using DP 1 5 Enlargement reduction Copier 1 0 Using DP 1 5 Lateral squareness Copier 1 5 mm 375 mm Using DP 3 0 mm 375 mm Margins A 3 0 2 5 mm B 3 0 ...

Страница 275: ...pulley PULLEY FEED 2BL16080 3 24 Slit glass CONTACT GLASS ADF 2C912280 10 27 Contact glass CONTACT GLASS 2C912250 10 24 Mirror 1 MIRROR A 2C912390 10 37 Mirror 2 and mirror 3 MIRROR B 2AV12160 10 4 Lens LENS 2C912500 Reflector REFLECTOR SCANNER 2C912110 10 12 Exposure lamp LAMP SCANNER YG 2C912090 10 10 Front scanner rail FRONT RAIL SCANNER 2C912070 Rear scanner rail REAR RAIL SCANNER 2C912080 Ori...

Страница 276: ...alcohol or a dry cloth Registration cleaner Clean or replace Every 150 000 counts Vacuum 1 6 15 Trans guide film Check or replace Feed roller Clean or replace Clean with the alcohol 1 6 7 Feed pulley Check or replace Clean with alcohol or a dry cloth Maintenance Section part location Method Maintenance cycle Points and cautions Page Optical section Slit glass Clean Every 150 000 counts Clean with ...

Страница 277: ...e if the problem occurs 1 6 43 Heat roller Clean Every 150 000 counts Clean with alcohol 1 6 48 Press roller Clean Every 150 000 counts Clean with alcohol 1 6 45 Heat roller separation Clean or replace Every 150 000 counts Clean with alcohol Replace if it 1 6 47 claw is being lacking deformed or rubbing Maintenance Section part location Method Maintenance cycle Points and cautions Page Exit sectio...

Страница 278: ...9 10 11 12 1 2 2 1 FAN1DRN 24V1 THERMA 5V THERMA YC14 4 3 2 1 COMDA COMDNB COMDNA COMDA 5V OUT1 OUT2 GND 2 1 GY GY 1 2 7 6 5 4 3 1 2 3 4 5 1 2 3 4 2 1 6 7 24V4 PGND 3 2 1 3 2 1 3 2 1 3 2 1 1 2 3 LAMP N C LAMP ISMDA ISMDNB ISMDNA ISMDB YC13 YC16 1 2 2 1 YC12 YC17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 OE LB YW PK GN BE GY 7 6 5 4 3 2 1 FTH FCSSW YC5 YC2 KEY COUNTER OR KEY CARD O...

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