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Repair Procedures

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Xerox DocuPrint P8e Service Manual

REP 4.6.6 Joint PWB

Removal

1 Switch the printer power off and disconnect the AC power cord.

2 Remove the Print Cartridge (REP 4.5.1).

3 Remove the Rear Cover (REP 4.1.3).

4 Turn the printer up side down.

5 Remove the Bottom Shield (REP 4.6.1).

6 Remove the Engine Controller PWB (REP 4.6.2).

7 Disconnect CN401, CN402, CN403, CN404, CN405, CN407 and CN408 from the Joint PWB

(Figure 4.6.6a).

8 Remove the three screws securing the Joint PWB to the Printer Frame (Figure 4.6.6a). Remove

the Joint PWB.

Figure 4.6.6a. Joint PWB Removal.

Replacement

1 Assemble in reverse order.

2 Verify proper operation.

CAUTION

These components are susceptible
to electrostatic discharge. Observe

all ESD procedures to avoid

damage.

P8e_229

Summary of Contents for DocuPrint P8E

Page 1: ...XEROX Xerox DocuPrint P8e P8ex Service Manual 720P41711 3 99 P8e_100 ...

Page 2: ...annels Group Personal Printer 555 Aviation Blvd El Segundo California 90245 Copyright 1998 by Xerox Corporation Xerox and DocuPrint P8e are registered trademarks of Xerox Corporation Copyright 1998 Xerox Corporation All rights reserved Copyright protection claimed includes all forms of matters of copyrightable materials and information now allowed by statutory or judicial law or hereinafter grante...

Page 3: ...ly because the laser beam is totally enclosed during all modes of customer operation The laser and output of the laser scanner unit produces a beam that if looked into could cause eye damage Service procedures must be followed exactly as written without change When servicing the machine or laser module follow the procedures specified in the manual and there will be no hazards from the laser Laser ...

Page 4: ...3 99 Product Safety iv Xerox DocuPrint P8e Service Manual The Laser Label is visible when the Top Cover is removed Figure 1 Figure 1 Laser Safety Label Laser Label Finland Laser Safety P8e_321 ...

Page 5: ... The Xerox DocuPrint P8e Service Manual is the primary document used for repairing and maintaining the P8e Laser Printers This manual contains Service Call Procedures Diagnostic Procedures General Information Repair Analysis Procedures Copy Quality Analysis Procedures Wiring Data and Parts Lists that will enable the Service Representative to repair P8e failures NOTE In some of the DocuPrint P8e do...

Page 6: ...ment of the spared parts Section 5 GENERAL PROCEDURES This section contains diagnostic routines printer setup procedures and a listing of tools and supplies Section 6 WIRING DATA This section contains illustrations of the plug jack locations and the routing of power and signal cables Section 7 REPAIR ANALYSIS PROCEDURES RAPs This section contains the procedures necessary to repair failures in the ...

Page 7: ... 4 16 7 98 4 17 7 98 4 18 7 98 4 19 7 98 4 20 7 98 4 21 7 98 4 22 7 98 4 23 7 98 4 24 7 98 4 25 7 98 4 26 7 98 4 27 7 98 4 28 7 98 4 29 7 98 4 30 7 98 4 31 7 98 4 32 7 98 5 1 7 98 5 2 7 98 5 3 7 98 5 4 7 98 5 5 7 98 5 6 7 98 5 7 7 98 5 8 7 98 5 9 7 98 5 10 7 98 5 11 7 98 5 12 7 98 5 13 7 98 5 14 7 98 5 15 7 98 5 16 7 98 5 17 7 98 5 18 7 98 5 19 7 98 5 20 7 98 5 21 7 98 5 22 7 98 5 23 7 98 5 24 7 9...

Page 8: ...3 99 Revision Control List viii Xerox DocuPrint P8eService Manual Product Manual Title Part Number P8e Laser Printer Xerox DocuPrint P8e Service Manual 720P41711 Page Date Page Date Page Date Page Date ...

Page 9: ...7 98 Xerox DocuPrint P8e Service Manual 1 1 Service Call Procedures Section 1 Service Call Procedures 1 1 1 Call Flow Diagram 1 2 1 2 Initial Actions 1 3 1 3 Corrective Actions 1 3 1 4 Final Actions 1 4 ...

Page 10: ...g steps are outlined in the Call Flow Diagram Figure 1 1 All service calls begin with Initial Actions and end with Final Actions Figure 1 1 Call Flow Diagram Initial Actions Corrective Actions RAPs Parts List Repair Procedures Wiring Data General Procedures Final Actions Correct Any Secondary Problems Image Quality ...

Page 11: ...t frayed or broken The printer is correctly grounded earthed The printer is in an appropriate operating environment with no extremes of heat humidity or dirt The printer is not exposed to direct sunlight The printer is on a level and stable surface 1 3 Corrective Actions 1 If the printer has an obvious failure or fault you can go directly to the appropriate Repair Procedure Section 4 or Repair Ana...

Page 12: ...ge Quality Checkout procedures in section 7 to correct any print quality defects 3 Correct any secondary problems return to Corrective Actions if necessary 4 Reinstall the machine covers 5 Clean the machine and the work area 6 Ask the customer to send a print job to verify printer operation 7 Provide operator training as required 8 Close the call ...

Page 13: ...Consumption 2 2 2 1 2 Power On Off 2 2 2 1 3 Power Saver 2 2 2 1 4 Mechanical 2 2 2 1 5 Consumables 2 2 2 2 Physical Location 2 3 2 3 Functional Specifications 2 3 2 4 Environment 2 4 2 5 Options 2 4 2 6 Paper Specifications 2 4 2 6 1 Paper limitations 2 4 2 7 Operating Language and Emulation 2 6 2 8 Communication Interfaces 2 6 2 9 Status Display Controls 2 6 ...

Page 14: ...tomatically when the printer does not receive data for a period of time Power Saver is a menu selection in the Remote Control Panel RCP software which provides the user with the ability to control when the printer enters the power saver state The default value is 30 minutes In Power Save mode the power consumption is under 25 watts 2 1 4 Mechanical 2 1 5 Consumables PRINTER CARTRIDGE 5000 pages at...

Page 15: ...en the front single sheet output tray and retrieve the paper in the front output tray allow air circulation around the vents to prevent the printer from overheating 2 3 Functional Specifications Warm Up Time First Print Out Print Speed ppm pages per minute Resolution dpi Dots per inch From Sleep mode to Standby mode under 30 seconds From Standby mode 20 seconds From Power save mode 30 seconds 8 pp...

Page 16: ... 2 6 Paper Specifications Papers that meet the specifications may be fed either through the Multipurpose Paper Feeder or the Manual Single Sheet Feeder If you use thick paper with a weight of more than 90 g m2 40lb or envelope you must insert paper into the Manual Single Sheet Feeder and select Thick Paper The Multipurpose Paper Feeder will hold 150 sheets of 60 90 g m2 16 24 lb or 10 envelopes 10...

Page 17: ... perforations or rough texture Paper to which color was added after the paper was made Printed forms whose ink is not for laser printing Most papers that meet the above specifications may be fed either through the multisheet or the single sheet paper feeder Some media meets the specifications but is not ideal for feeding e g paper that is either highly textured thicker than normal for its weight o...

Page 18: ...ht 4 On Line Reset Key software programs that enable the user to monitor the printer s status on the computer screen the Status Monitor The Status Monitor is a program that runs in background and automatically displays a message s on your computer screen whenever the printer status changes not available for NT 4 0 change printer settings from the computer screen Remote Control Panel The Remote Con...

Page 19: ...s Section 3 Parts Lists 3 PL 1 Covers 3 2 PL 2 Front Cover 3 4 PL 3 Paper Trays 3 6 PL 4 Feeder 3 8 PL 5 Paper Transport 3 10 PL 6 Frame Assembly 1 of 2 3 12 PL 7 Frame Assembly 2 of 2 3 14 PL 8 Fuser 3 16 PL 9 Main Drive Motor 3 18 PL 10 Electronics 3 20 ...

Page 20: ...P8e Service Manual PL 1 Covers Item Part Number Description 1 Top Cover 2 802E00400 Rear Cover 3 Right Side Cover 4 Bottom Cover 5 Face Up Cover 6 802E00380 Front Cover 7 Left Side Cover 8 113R00296 Print Cartridge A 600K72020 Hardware Kit ...

Page 21: ...7 98 Xerox DocuPrint P8e Service Manual 3 3 Parts Lists P8e_308 1 2 3 4 5 6 7 8 ...

Page 22: ... Number Description 1 Front Cover Includes Items 2 through 7 2 Stacker Extender 3 Stacker 4 Duct 5 802E00380 Front Cover 6 Stacker Guide 7 Stopper 8 3E50440 Key 9 107E16960 LED 10 101E19680 Control Panel 11 Control Panel Cover 12 802E00390 Face Up Exit Cover A 600K72020 Hardware Kit ...

Page 23: ...7 98 Xerox DocuPrint P8e Service Manual 3 5 Parts Lists 3 4 5 2 6 7 11 10 1 12 8 9 P8e_301a ...

Page 24: ...12 2 Gear Adjust Rack Left 3 Gear Adjust Rack Right 4 Pinion Gear 5 Auto Tray Adjust Right 6 Manual Tray Adjust Right 7 Film Guide Sheet 8 Manual Tray Adjust Left 9 Manual Paper Tray 10 Auto Tray Adjust Left 11 Paper Guide Plate 12 Rear Cover Assembly Includes Items 13 14 13 50E15050 Tray Extender 14 802E00400 Rear Cover A 600K72020 Hardware Kit ...

Page 25: ...7 98 Xerox DocuPrint P8e Service Manual 3 7 Parts Lists 3 2 11 10 9 14 13 8 6 5 7 4 1 12 P8e_302 ...

Page 26: ...s Items 10 through 13 10 Knock Up Holder Right 11 Knock Up Pad 12 Knock Up Holder Left 13 Knock Up Plate 14 Extension Spring 15 7K10890 Media Unit Clutch Includes Items 16 through 19 16 Clutch Hub 17 Clutch Spring 18 Clutch Collar 19 Pick Up Gear 20 Media Unit Pick Up Assembly Includes Items 21 through 31 21 Knock Up Cam 22 Paper Guide Roll 23 E Ring 24 32E14350 Paper Feed Guide 25 130E09080 Pick ...

Page 27: ...7 98 Xerox DocuPrint P8e Service Manual 3 9 Parts Lists 16 27 28 29 30 29 30 28 28 22 23 22 26 25 22 22 21 31 11 8 7 32 24 23 24 17 18 10 19 13 12 3 4 2 6 1 5 9 15 20 14 14 P8e_303 ...

Page 28: ...iption 1 22K64020 Media Frame Support Unit Includes Items 2 through 6 2 Feed Rubber 3 Idler Feed Shaft 4 Feed Shaft Bearing 5 Feed Spring 6 Feed Support Frame 7 Media Feed Gear Unit 8 120E19120 Paper Empty Actuator 9 695E58680 Paper Separator 10 130K64640 Paper Empty Assembly A 600K72020 Hardware Kit ...

Page 29: ...7 98 Xerox DocuPrint P8e Service Manual 3 11 Parts Lists 1 8 9 7 2 3 2 4 5 6 10 P8e_304 ...

Page 30: ...ption 1 62K09270 LSU Laser Unit 2 001K72470 Upper Frame Unit 3 Cover Open Actuator Spring 4 Cover Open Actuator 5 Cover Open Micro Switch 6 Developer Plate Left 7 Developer Plate Spring 8 Developer Plate Right 9 Cover Open Sensor Cover 10 Upper Frame 11 121E15480 Paper Feed Solenoid A 600K72020 Hardware Kit ...

Page 31: ...7 98 Xerox DocuPrint P8e Service Manual 3 13 Parts Lists 8 9 10 6 7 5 4 3 2 1 11 P8e_305 ...

Page 32: ...2 007E59210 Transfer Gear 13 15K39960 Lower Frame Unit 14 Base Frame 15 16 17 18 19 Rubber Foot 20 21 Saw Plate 22 Saw Plate Holder 23 130E09090 Feed Sensor Assembly 24 120E19130 Exit Actuator 25 101E19690 Fuser Cover 26 Transfer Roller Terminal Unit Includes Items 27 28 27 High Voltage Shaft Large 28 High Voltage Spring Large 29 High Voltage Terminal Unit 30 High Voltage Shaft Small 31 Developer ...

Page 33: ...7 98 Xerox DocuPrint P8e Service Manual 3 15 Parts Lists 3 4 5 9 6 39 4 5 37 34 32 33 3 2 13 12 2 36 35 31 1 23 24 25 26 29 P8e_306a 28 30 27 21 22 20 19 40 18 17 16 15 14 7 8 10 11 38 ...

Page 34: ...1 Bracket 12 130E09100 Thermistor 13 Bracket 14 Exit Spring 15 122E02490 Halogen Lamp 115 VAC 122E02480 Halogen Lamp 220 VAC 16 Heat Roll Bearing Left 17 Heat Roller 18 Heat Roll Bearing Right 19 Fuser Gear 20 9K01910 Pressure Roller Holder Assembly Includes Items 21 22 23 21 Pressure Roller Bearing 22 Pressure Roller Bearing Holder 23 Pressure Roller Bearing Spring 24 126K12890 Pressure Roller 25...

Page 35: ...7 98 Xerox DocuPrint P8e Service Manual 3 17 Parts Lists 2 3 3 4 5 6 7 8 10 11 12 13 16 17 18 19 20 20 21 22 23 24 25 26 26 27 28 29 14 15 9 1 P8e_307a ...

Page 36: ...otor Item Part Number Description 1 127K30150 Main Drive Motor Assembly Includes Items 2 through 12 2 Main Drive Motor 3 Motor bracket 4 Motor Drive Gear 5 Feed Drive Gear 6 Gear Bracket 7 Gear Drive 1 8 Gear Drive 2 9 Gear Pulley 10 RCT Belt Impeller A 600K72020 Hardware Kit ...

Page 37: ...7 98 Xerox DocuPrint P8e Service Manual 3 19 Parts Lists P8e_309a 1 2 3 4 5 6 7 8 9 10 ...

Page 38: ...r Supply PWB 2 114E15570 AC Plug Assembly 3 160K60060 Controller PWB 115 VAC 160K55520 Controller PWB 220 VAC 4 SIMM 4MB SIMM 8MB SIMM 16MB SIMM 32MB 5 160K55660 Engine Controller PWB 115 VAC 160K55510 Engine Controller PWB 220 VAC 6 007K11190 Joint PWB 7 108E05380 Fuse 115 VAC T8A 108E05390 Fuse 220 VAC T5A A 600K72020 Hardware Kit ...

Page 39: ...7 98 Xerox DocuPrint P8e Service Manual 3 21 Parts Lists 1 6 7 5 4 3 P8e_310a 2 ...

Page 40: ...7 98 Parts Lists 3 22 Xerox Docuprint P8e Service Manual Notes ...

Page 41: ... 4 4 REP 4 1 2 Front Cover 4 5 REP 4 1 3 Rear Cover 4 6 REP 4 1 4 Top Cover 4 7 REP 4 1 5 Left and Right Side Covers 4 8 REP 4 2 Paper Feed REP 4 2 1 Paper Feed Solenoid 4 9 REP 4 2 2 Upper Frame Assembly 4 10 REP 4 2 3 Paper Feeder Assembly 4 12 REP 4 3 Paper Transportation and Sensing REP 4 3 1 Pfeed Sensor 4 14 REP 4 3 2 Paper Empty Sensor 4 15 ...

Page 42: ...P 4 5 Drive and Xerographic Modules REP 4 5 1 Print Cartridge 4 21 REP 4 5 2 Gear Bracket 4 22 REP 4 5 3 Main Drive Motor Assembly 4 23 REP 4 5 4 Transfer Roller 4 24 REP 4 5 5 DC Fan Motor 4 25 REP 4 5 5 DC Fan Motor REP 4 6 1 Bottom Shield 4 26 REP 4 6 2 Engine Controller PWB 4 27 REP 4 6 3 Controller PWB 4 29 REP 4 6 4 LSU Laser Assembly 4 30 REP 4 6 5 HVPS High Voltage Power Supply PWB 4 31 RE...

Page 43: ...g tabs in the illustration are labeled 2 At the bottom of each illustration is a number In the illustration above the number is P8e_300 This is the art number and is used by the developers for tracking and control of the art There are a number of steps you should follow each time before you begin a procedure 1 Do not use force to remove or install printer components 2 Use only the screw size and t...

Page 44: ...r cord 2 Press on the two locking tabs and open the cover Figure 4 1 1a 3 Carefully bend the cover in the middle until the hinge pin is free of the printer frame Figure 4 1 1b 4 Remove the Face Up Cover Figure 4 1 1a Face Up Cover Locking Tabs Figure 4 1 1b Face Up Cover Removal Replacement 1 Assemble in reverse order 2 Verify proper operation P8e_257 2 P8e_258 3 4 ...

Page 45: ...Remove the Panel Board Cover the clear plastic lens and the blue Online Reset button Allow the Panel Board to remain connected to the harness Figure 4 1 2a 5 Carefully push the right side of the Front Cover out until it is free of the hinge pin Remove the Front Cover Figure 4 1 2a 6 Unplug the Control Panel connector Figure 4 1 2a Front Cover Removal Replacement 1 Assemble in reverse order 2 Verif...

Page 46: ...r off and disconnect the AC power cord 2 Remove the three screws that secure the Rear Cover Figure 4 1 3a 3 Release the two lock tabs that secure the bottom of the cover Figure 4 1 3a 4 Slide the cover up and remove Figure 4 1 3a Rear Cover Replacement 1 Assemble in reverse order 2 Verify proper operation P8e_236 2 3 ...

Page 47: ...AC power cord 2 Remove the Rear Cover REP 4 1 3 3 Open the Front Cover and remove the Print Cartridge REP 4 5 1 4 Remove the two screws that secure the front of the Top Cover Figure 4 1 4a 5 Lift the Top Cover to remove Figure 4 1 4a Figure 4 1 4a Top Cover Removal Replacement 1 Assemble in reverse order 2 Verify proper operation P8e_315 4 ...

Page 48: ...nd remove the Print Cartridge REP 4 5 1 4 Remove the Front Cover REP 4 1 2 5 Remove the Rear Cover REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the screw securing the side cover Figure 4 1 5a 8 Release the locking tab located at the top of the side cover Figure 4 1 5a 9 Remove the side cover Figure 4 1 5a Left and Right Side Cover Removal Replacement 1 Assemble in reverse order 2 Verify pro...

Page 49: ...er REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the Right Side Covers REP 4 1 5 8 Remove the Bottom Shield REP 4 6 1 9 Remove the Gear Bracket REP 4 5 2 10 Remove the Controller PWB REP 4 6 3 11 Remove the Engine Controller PWB REP 4 6 2 12 Remove the solenoid connector from CN 402 of the Joint PWB 13 Remove the two screws and ground strap that secure the Paper Feed Solenoid to the printer ...

Page 50: ... 5 8 Remove the Gear Bracket REP 4 5 2 9 Remove the HVPS REP 4 6 5 10 Remove the two screws that secure the Paper Feed Solenoid to the printer frame Figure 4 2 2a Remove the solenoid from the frame but do not disconnect the solenoid harness 11 Remove the six screws that secure the Upper Frame Assembly Figure 4 2 2a 12 Lift up the left side of the Upper Frame Assembly approximately 12 mm 0 5 in Lif...

Page 51: ...7 98 Xerox DocuPrint P8e Service Manual 4 11 Repair Procedures Figure 4 2 2b Upper Frame Assembly Removal Replacement 1 Assemble in reverse order 2 Verify proper operation P8e_245 12 ...

Page 52: ... Remove the HVPS REP 4 6 5 10 Remove the Upper Frame Assembly REP 4 2 2 11 Remove the screw that secures the earth ground strap to the left end of the paper feed shaft Figure 4 2 3a 12 Pull out on the locking tab of the left bearing and rotate the bearing 45 degrees clockwise Figure 4 2 3a 13 Press the locking tab and remove the frame insert 14 Remove the E Ring that secures the drive gear and clu...

Page 53: ...7 98 Xerox DocuPrint P8e Service Manual 4 13 Repair Procedures Replacement 1 Assemble in reverse order 2 Verify proper operation ...

Page 54: ...P 4 5 1 3 Remove the Rear Cover REP 4 1 3 4 Turn the printer up side down 5 Remove the Bottom Shield REP 4 6 1 6 Remove the Engine Controller PWB REP 4 6 2 7 Disconnect CN401 from the Joint PWB Figure 4 3 1a 8 Remove the two screws that secure the Pfeed Sensor to the printer frame Figure 4 3 1a Remove the Pfeed Sensor Figure 4 3 1a Pfeed Sensor Removal Replacement 1 Assemble in reverse order 2 Ver...

Page 55: ... the Pfeed Sensor REP 4 3 1 9 Disconnect CN403 from the Engine Controller PWB Figure 4 3 2a 10 Remove the two screws that secure the Paper Empty Sensor to the printer frame Figure 4 3 2a 11 Lift the front end of the Sensor Assembly and move the assembly to free the three tabs Figure 4 3 2a 12 Move the assembly to the left and disconnect the drive shaft Remove the Paper Empty Sensor Assembly 13 Pre...

Page 56: ...gure 4 4 1a 10 Remove the two screws that secure the AC power wires to the Fuser Assembly Figure 4 4 1a 11 Remove the two screws that secure the Fuser Assembly to the printer frame Figure 4 4 1a 12 Use a small screwdriver to carefully release the two locking tabs on the front of the Fuser Assembly Figure 4 4 1a 13 Move the Fuser Assembly to the left until right hinge pin is free of the printer fra...

Page 57: ...7 98 Xerox DocuPrint P8e Service Manual 4 17 Repair Procedures Replacement 1 Assemble in reverse order 2 Verify proper operation ...

Page 58: ... 1 3 Remove the Face Up Cover REP 4 1 1 4 Remove the Front Cover REP 4 1 2 5 Remove the Rear Cover REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the Right Side Cover REP 4 1 5 8 Remove the Fuser Assembly REP 4 4 1 9 Remove the Fuser Pressure Roller from the bearings Figure 4 4 2a Figure 4 4 2a Fuser Pressure Roller Removal Replacement 1 Assemble in reverse order 2 Verify proper operation P8e...

Page 59: ...P 4 4 1 9 Turn the Fuser Assembly up side down and remove the earth ground strap from the right end of the Fuser Figure 4 4 3a 10 Remove the two screws that secure the Halogen Lamp to the AC Terminals Figure 4 4 3a 11 Carefully lift the Fuser Roll and bearings out of the Fuser Assembly 12 Remove the Halogen Lamp and Fuser Drive Gear from the Fuser Roll Figure 4 4 3a 13 Remove the drive gear from t...

Page 60: ...Fuser Assembly REP 4 4 1 9 Remove the Fuser Heat Roll REP 4 4 3 10 Remove the two screws that secure the Overheat Thermostat Figure 4 4 4a Remove the Thermostat 11 Release the six locking tabs Figure 4 4 4a and remove the Fuser Cover the AC Electrodes are attached to the bottom of the Fuser Cover 12 Remove the screw that secures the Thermistor to the Fuser Assembly Figure 4 4 4a Remove the Thermis...

Page 61: ...ower cord 2 Open the printer s front cover 3 Grasp the Print Cartridge Handle as shown in Figure 4 5 1a Pull the Printer Cartridge up and out of the printer Figure 4 5 1a Printer Cartridge Removal 4 If the Printer Cartridge will be out for longer then a few minutes cover the Cartridge with several sheets of paper to protect it from light Replacement 1 Assemble in reverse order P8e_268 3 2 ...

Page 62: ... 4 1 2 5 Remove the Rear Cover REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the Right Side Cover REP 4 1 5 8 Remove the six screws that secure the Gear Bracket to the printer frame Figure 4 5 2a Figure 4 5 2a Gear Bracket Removal 9 Lower the Gear Bracket to access the Drive Motor Disconnect the Drive Motor Harness from the Drive Motor Figure 4 5 2a 10 Remove the Gear Bracket Replacement 1 A...

Page 63: ...move the Front Cover REP 4 1 2 5 Remove the Rear Cover REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the Right Side Cover REP 4 1 5 8 Remove the Gear Bracket REP 4 5 2 9 Remove the three screws that secure the Drive Motor Assembly to the Gear Bracket Figure 4 5 3a Figure 4 5 3a Drive Motor Assembly 10 Remove the two gears from the Drive Motor Assembly Figure 4 5 3a Replacement 1 Assemble in ...

Page 64: ...ings on each end of the Transfer Roller Remove the Transfer Roller and the bushings Figure 4 5 4a Transfer Roller Removal Replacement 1 If installing a new Transfer Roller remove the gear and bushings from the old roller and place on the new roller 2 The high voltage contact for the roller is located in the left side frame Slide the Transfer Roller to the right and insert the left bushing and gear...

Page 65: ... Rear Cover REP 4 1 3 6 Remove the Top Cover REP 4 1 4 7 Remove the Right Side Covers REP 4 1 5 8 Remove the Bottom Shield REP 4 6 1 9 Remove the Gear Bracket REP 4 5 2 10 Remove the Controller PWB REP 4 6 3 11 Remove the Engine Controller PWB REP 4 6 2 12 Remove the fan connector from CN 408 of the Joint PWB 13 Remove the two screws securing the DC Fan Motor to the printer frame Figure 4 5 5a Fig...

Page 66: ...d disconnect the AC power cord 2 Remove the Print Cartridge REP 4 5 1 3 Turn the printer up side down Figure 4 6 1a 4 Remove the three screws that secure the Shield to the bottom of the printer Figure 4 6 1a 5 Lift and remove the shield Figure 4 6 1a Figure 4 6 1a Bottom Shield Replacement 1 Assemble in reverse order 2 Verify proper operation P8e_239 4 5 ...

Page 67: ...screws that secure the Engine Controller PWB to the bottom of the printer Figure 4 6 2a 8 Lift the edge of the Engine Controller PWB that is next to the Controller PWB approximately 40 mm 1 5 in and disconnect CN406 from the Joint PWB Figure 4 6 2a 9 Continue to lift the Engine Controller PWB and disconnect CN1 CN2 CN201 CN202 and the AC inline connector Figure 4 6 2a 10 Remove the Engine Controll...

Page 68: ...7 98 Repair Procedures 4 28 Xerox DocuPrint P8e Service Manual Figure 4 6 2a Engine Controller Removal P8e_240 7 6 8 9 ...

Page 69: ...ide down 5 Remove the Bottom Shield REP 4 6 1 6 Disconnect J2 and J5 from the Controller PWB Figure 4 6 3a 7 Remove the four screws that secure the Controller PWB to the printer frame Figure 4 6 3a Remove the Controller PWB Figure 4 6 3a Controller PWB Removal Replacement 1 Assemble in reverse order 2 Verify proper operation CAUTION These components are susceptible to electrostatic discharge Obser...

Page 70: ...Cover REP 4 1 4 7 Disconnect the harness connected to the left side of the Laser Assembly Figure 4 6 4a 8 Remove the screw that secures the ground wire to the Laser Figure 4 6 4a 9 Remove the four mounting screws that secure the Laser to the printer frame Figure 4 6 4a 10 Turn the Laser up side down and disconnect the harness connected to the right side of the Laser Figure 4 6 4a Figure 4 6 4a Las...

Page 71: ...e HVPS PWB CN2 CN3 and CN4 Figure 4 6 5a 9 Remove the five screws that secure the HVPS to the printer frame Figure 4 6 5a 10 Lower the HVPS PWB to access connector CN1 Disconnect CN1 from the HVPS PWB Figure 4 6 5a NOTE With the HVPS PWB removed the four high voltage contacts can be removed The three top contacts are the same size The bottom contact transfer is longer than the other three Figure 4...

Page 72: ... Shield REP 4 6 1 6 Remove the Engine Controller PWB REP 4 6 2 7 Disconnect CN401 CN402 CN403 CN404 CN405 CN407 and CN408 from the Joint PWB Figure 4 6 6a 8 Remove the three screws securing the Joint PWB to the Printer Frame Figure 4 6 6a Remove the Joint PWB Figure 4 6 6a Joint PWB Removal Replacement 1 Assemble in reverse order 2 Verify proper operation CAUTION These components are susceptible t...

Page 73: ...4 Laser Safety 5 4 5 2 Printer Operations 5 5 5 2 1 Control Panel 5 5 5 2 2 Printer Modes 5 6 5 2 2 1 Ready Mode Online 5 6 5 2 2 2 Test Mode 5 6 5 2 3 Clearing Printer Memory 5 7 5 2 4 Print Cartridge Cleaning Procedure 5 7 5 3 Printer Software 5 7 5 3 1 Installing Software 5 8 5 3 1 1 Installing Printer Drivers 5 8 5 3 1 2 Installing Status Monitor and Remote Control Panel 5 85 3 2 The Status Mo...

Page 74: ... Test Tab 5 17 5 4 Diagnostic Control Unit DCU 5 17 5 4 1 Connecting the DCU 5 18 5 4 2 The DCU s Operating Modes 5 18 5 4 2 1 Status Mode 5 20 5 4 2 2 Diagnostic Mode 5 21 5 4 3 General Test Procedures 5 22 5 5 Engine Controller PWB 5 25 5 6 Installing Additional Memory 5 25 5 7 EPROM Update Procedure 5 27 5 8 Supplemental Tools and Supplies 5 29 5 8 1 Tools 5 29 5 8 2 Supplies 5 29 5 9 Abbreviat...

Page 75: ...ects of any kind into the printer through the ventilation slots Such objects may touch dangerous high voltage points causing electric shock a short circuit or a fire 5 Use only a grounded earthed power source If you are not sure of the type of power available consult your dealer or the local power company 6 Make sure no one can trip on the power cord or communication cable and that no weight is pl...

Page 76: ... 4 Do not use freon propelled chemicals These can generate enough static charge to damage sensitive components 5 Do not remove a replacement component from its protective package until you are ready to install it Most replacement components are packaged with leads that are electrically shorted together by conductive foam aluminum foil or other conductive material 6 Immediately before removing the ...

Page 77: ...nitor software utility Figure 5 2 1 Control Panel The table below provides various LED conditions and describes their significance Indicator Description Error LED on There is no print cartridge The cover is open There is a paper jam if the Paper LED is on Other error condition Error LED blink Printer memory is insufficient for print job Paper LED on The paper tray is empty There is a paper jam if ...

Page 78: ...utton again When the printer is in Ready Mode the Ready LED on the Control Panel is lit When the Ready LED is blinking the printer is receiving processing data or printing When the Ready LED is OFF the printer is Offline 5 2 2 2 Test Mode In Test Mode the printer is able to print a one page configuration sheet Local Test Mode To initiate a printer self test and print a configuration sheet follow t...

Page 79: ... cycle up starts the feed of the page The printer will produce one page Depending on the contamination the page may contain a heavy concentration of background More than one cleaning cycle may be required to remove contamination Replace Printer Cartridge if cleaning cycles do not resolve the print quality problem 5 3 Printer Software The customer has a choice of different software configurations d...

Page 80: ...3 1x 1 Start Windows 2 Insert the disk labeled Xerox DocuPrint P8e Driver Disk into your computer s floppy drive 3 From the Program Manager select Run from the File menu 4 In the Run dialog box type a setup or b setup and press Enter 5 Follow the on screen instructions to complete the installation 6 Remove the diskette before restarting Windows 7 Restart Windows as prompted when the installation i...

Page 81: ...0 Disk into your computer s floppy drive 2 From the Start Menu select Run 3 Type A ntrcp setup and press Enter Follow the on screen instructions to complete the installation Installing software for DOS 1 Insert the diskette labeled Xerox DocuPrint P8e RCP and SM Disk into your computer s floppy driver 2 At the DOS prompt enter the following commands md dosrcp cd dosrcp copy a dosutil dosp8e bat 5 ...

Page 82: ...pose Paper Feeder or Manual Feeder Paper should be pulled out arranged carefully and put back into the feeder If there are only a few sheets of paper in the MPF and or the paper in there has excessive curl paper jams of this type will occur Paper jam near inside rear of printer The printer had a jam while feeding paper into the xerographic area To remedy the problem the user should open the cover ...

Page 83: ... the drop down list Windows 3 1x Double click the Xerox RCP folder in Program Manager Double click the RCP SM icon The RCP window shown on the next page contains three main areas The top area is a series of tabs enabling the choice of any of five RCP views Total View Printer Page Font Quality and Test To select a view click on the appropriate tab Beneath the row of tabs is the content for the curr...

Page 84: ...Print P8e Service Manual 5 3 3 1 Total View Tab The Total View tab shown above displays the current printer parameters The parameters are divided into sub groups which correspond to the RCP tab selections NOTE this tab is not available in Windows NT sm5_001 ...

Page 85: ...er off 10W The default time value to change from standby to Power Save mode is 30 minutes Emulation Shows the current emulation It will always display PCL 5e Paper Jam Recovery If this is checked the printer will reprint pages that were jammed in the printer This feature is only applicable when a jam occurs either in the input feeder area or xerographic area i e Status Monitor messages Paper jam n...

Page 86: ...er settings Paper Size Sets the default size of the image that will print on paper or envelope The default value is letter for 110 VAC operation and A4 for 220 VAC printers Lines Per Page Sets the number of lines per page Copies Sets number of copies to be printed Orientation Determines the orientation of the image on the paper sm5_003 Width Height ...

Page 87: ... font Pitch The pitch horizontal spacing of characters in a font may be selected when a fixed pitch outline font is being used Pitch selection is ignored by other fonts Symbol Lists the various groups of font specific characters and symbols Point Size The point size height of a font may be selected when a proportionally spaced outline font is being used This selection is ignored by other fonts sm5...

Page 88: ...owing printer settings Density Determines the overall density of the printed image Econo Mode Determines the toner quantity to use when printing If this mode is set to ON the printer conserves toner when printing the printer uses roughly 50 less toner than usual If the value is OFF it provides 100 usage The default value is OFF sm5_005 Quality ...

Page 89: ...tion Demonstration Page Prints a demonstration page showing the main features of the printer Technician s Note The demonstration page states that standby mode uses less than 18 Watts of power The true value is 10 Watts 5 4 The Diagnostic Control Unit DCU The Diagnostic Control Unit DCU 600T80340 is a pocket sized test instrument that enables a variety of diagnostic tests and provides a coded digit...

Page 90: ...er and switch on the printer 5 4 2 The DCU s Operating Modes Operation of the DCU is simpler than it might appear from the variety of indicators and labels on the DCU s face see Figure 5 4 2a Only some of them are involved at any given time depending on the DCU s current operating mode The DCU has two operating modes Status Mode Diagnostic Mode Two LEDs on the upper left of the DCU s face correspo...

Page 91: ...7 98 Xerox DocuPrint P8e Service Manual 5 19 General Procedures and Information Figure 5 4 2a Diagnostic Control Unit SM5_012 ...

Page 92: ...or has been corrected A list of codes and status error parameters is in Table 5 4 3 on the following page If the problem is resolved without disconnecting power Status Mode removes the error code displayed and resumes normal operation If power is disconnected powering on once again causes Status Mode to repeat its status review until another problem is detected or the review is successfully comple...

Page 93: ...tered by simultaneously pressing three keys DOWN SHIFT and STOP at the time the printer is switched on If the printer is already connected and in the Status Mode it is necessary to switch off the printer hold down the three keys and switch on the printer When the DCU enters Diagnostic Mode the readout window displays 00 and all LEDs on the printer s Control Panel start to blink The Control Panel L...

Page 94: ... are ended in the same way see Column 6 After the test procedure has been completed the test is ended by pressing SHIFT STOP The exceptions are tests 11 and 12 which are ended by switching off the printer What happens between starting and stopping a test varies according to the type of test The four voltage tests 01 04 require use of a multimeter and probes Test results are determined from the mul...

Page 95: ...ch indicates test results For example consider test 08 the test of the Feed and Exit Sensors If the feed sensor circuit is working properly the unlabeled LED and only that LED will be lit when the Feed Sensor is actuated If either of the other two LEDs light or if the unlabeled LED fails to light the Feed Sensor circuit is not operating properly Three of the thirteen tests 04 05 and 10 are multipl...

Page 96: ... Laser Motor On Laser Diode On Lit Lit Lit Shift Stop 06 Pick Up Solenoid Press ENTER Solenoid Activates Lit Shift Stop 07 Paper Out Sensor Press ENTER Remove Paper Lit Shift Stop 08 Feed Exit Sensor Press ENTER Actuate Feed Sensor Actuate Exit Sensor Lit Lit Shift Stop 09 Cover Open Sensor Press ENTER Actuate Sensor Deactuate Sensor Lit Shift Stop 10 Fuser Circuit Standby Heat Print Heat Overheat...

Page 97: ...Sensor This sensor senses if there are papers in the Multipurpose Paper Feeder Paper Width Sensor Located on the side of the paper path this sensor is used to detect narrow paper 5 6 Installing Additional Memory The printer is equipped with 4Mb of resident base memory which is expandable to a total of 36Mb The base memory may be expanded by installing an additional Single Inline Memory Module SIMM...

Page 98: ...SIMM toward you and lift it out 6 Hold the SIMM with the connection points pointing toward the control board and insert the SIMM all the way into the connector at a 45 degree angle 7 Push the SIMM away from you until it snaps into place Make sure both metal clips on the connector are fastened and the two pins on the connector are pushed through the holes on the SIMM 8 Replace the shield cover 9 Tu...

Page 99: ...10 if default paper size is letter or xerox a4 220 if default paper size is A4 rom XXX XXX represents the version level i e 103 for version 1 03 boot XXX XXX represents the version level i e 103 for version 1 03 The computer s parallel port should be assigned as standard LPT1 hex 378 before beginning the procedure Procedure 1 Unzip the files to a temporary directory 2 Make sure the printer is powe...

Page 100: ...t xerox lt XXX lpt1 XXX represents the version level i e 103 for version 1 03 This tests 115 VAC systems with a default for letter size paper OR At the C prompt type fprt xerox a4 XXX lpt1 XXX represents the A4letter size paper The ready LED should stay on 11 Switch off the printer and then switch it back on 12 Print a configuration sheet by holding the On Off line button down for about 5 seconds ...

Page 101: ...ies Item Part Number Cleaning Cloth treated 35P1538 Cleaning Pads 600S4372 Cotton Swabs 35P2162 Disposable Gloves 99P3082 Disposable Plastic Bags 99P3023 Drop Cloth 5P1737 Film Remover 43P45 Formula A Cleaner 43P48 Glue Capsule 63P560 Polyurethane Pads 600S4653 Towel heavy duty 35P3191 Xerox Europe XE Cleaner 8R90175 Cleaning Pad Kit 600S4372 Cloth 8R90019 Fuser Cleaning Solvent Pads 43P83 General...

Page 102: ... No Connection CPU Central Processing Unit neg negative DCU Diagnostic Control Unit OSC oscillator DMA Direct Memory Access PCU Printer Control Unit DMAC Direct Memory Access Controller PPM Pages Per Minute DOS Disk Operating System PRINT Print command DPI Dots Per Inch psync page synchronization DRAM Dynamic Random Access Memory pwr power DS Data Strobe RAM Random Access Memory DVM Digital Voltme...

Page 103: ...6 6 1 Introduction 6 2 6 2 Connection and Wiring Diagrams 6 3 6 2 1 Master Connection and Wiring Diagram 6 3 6 3 Circuit Board Layout 6 4 6 3 1 Controller PWB 6 4 6 3 2 Joint PWB 6 6 6 3 3 Engine Controller PWB 6 8 6 3 4 HVPS 6 10 6 3 5 Control Panel PWB 6 12 6 3 6 PFeed PWB 6 12 ...

Page 104: ...oards and electrical components and how they are connected The circuit board layout section contains the circuit board layouts and the wiring connectors The circuit board illustrations show the locations of the connectors and any sensors located on the board Each connector has an arrow that indicates the position of pin one for that connector The wiring diagrams illustrate the wiring connections b...

Page 105: ...er Feed Solenoid DC Fan Motor Joint PWB Cn405 Cn407 Cn404 Cn401 Cn403 Cn402 Cn406 Cn408 Cn4 Cn201 Ac in On off Switch Halogen Lamp Fuser Heat Rod Cn202 Fuser Thermister Cn1 Cn5 Cn3 J5 J8 J1 J2 J7 Parallel Connector Control Panel Controller PWB Engine Controller PWB Cn2 Cn1 Cn2 Cn4 Cn3 Laser PWB Laser Motor Thv Mhv Dev Supply Hvps Transfer Roller Developer Bias Charge Supply Voltage Cover Open Inte...

Page 106: ...7 98 Wiring Data 6 4 Xerox DocuPrint P8e Service Manual 6 3 Circuit Board Layout 6 3 1 Controller PWB J1 PARALLEL CONNECTOR J8 J7 J5 J2 Control J1 PARALLEL CONNECTOR J8 J7 J5 J2 Control ...

Page 107: ...34 35 36 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 J5 CN5 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 J8 1 2 3 4 J7 ORN WHT WHT WHT WHT WHT WHT Engine Controller PWB BLK WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT Controller PWB Control Panel Parallel Interface Connector Simm Connector WIR001 ...

Page 108: ...7 98 Wiring Data 6 6 Xerox DocuPrint P8e Service Manual 6 3 2 Joint PWB Cn406 Cn405 Cn408 Cn402 Cn403 Cn401 Cn404 Cn407 Joint_a ...

Page 109: ...CN407 CN403 CN408 1 1 2 2 3 3 1 2 3 1 2 Cn402 1 2 CN406 4 CN4 Paper Empty Sensor DC Fan Motor Pfeed Sensor Pretransfer Lamp Cn404 1 2 Engine Controller PWB BLK WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT BLK BLK BLK BLK BLK BLU BLK BLK RED RED RED RED RED RED RED RED RED Drive Motor Clutch Developer Fuse CN401 WHT RED WHT BLU Joint PWB WIR002a ...

Page 110: ...7 98 Wiring Data 6 8 Xerox DocuPrint P8e Service Manual 6 3 3 Engine Controller PWB CN202 CN201 F1 CN2 CN1 CN3 CN4 CN5 EXIT SENSOR INLINE CONNECTOR AC POWER LVPS ...

Page 111: ... 16 15 19 20 13 14 17 18 20 19 CN202 1 2 CN2 CN5 11 12 15 16 18 17 CN1 J5 CN406 CN1 1 2 CN 201 1 3 White Black Green OFF ON Switch AC Line Printer Power Connector BLK BLK RED WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT HVPS PWB Controller PWB Joint PWB WHT WHT WHT...

Page 112: ...7 98 Wiring Data 6 10 Xerox DocuPrint P8e Service Manual 6 3 4 HVPS CN2 CN4 CN3 CN1 SUPPLY DEV MHV THV HVPS PWB HVPS ...

Page 113: ... 19 19 20 20 21 21 22 22 23 23 24 24 CN3 1 2 3 4 5 CN1 CN2 1 2 Supply DEV MHV THV RED BLK WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT ENGINE CONTROLLER PWB TRANSFER ROLLER CHARGE DEVELOPER BIAS SUPPLY VOLTAGE CN2 BLK RED RED RED RED RED BLK RED RED RED RED WHT WHT WIR004 LASER PWB LASER MOTOR COVER OPEN INTERLOCK HVPS ...

Page 114: ...7 98 Wiring Data 6 12 Xerox DocuPrint P8e Service Manual 6 3 5 Control Panel PWB 6 3 6 PFeed PWB SW1 LED1 LED2 LED3 CONTROL CN1 NARROW S 2 PFEED SW PFEED BLU WHT RED BLK ...

Page 115: ... 7 2 RAP 7 2 Entry Level RAP 7 3 RAP 7 3 Main Drive Motor 7 6 RAP 7 4 Control Panel 7 8 RAP 7 5 Paper Feed 7 9 RAP 7 6 Paper Jam 7 10 RAP 7 7 Printer Problem 7 11 RAP 7 8 Image Quality Problems 7 12 7 0 1 Image Quality Defect Definitions Causes and Solutions 7 12 RAP 7 9 Communications RAP 7 16 RAP 7 10 SIMM Check Out Procedure 7 17 ...

Page 116: ... voltmeter on pin 6 of P J 2 In most cases the second P J pin in the notation is a Return RTN Frame Ground FG or Signal Ground SG 3 When a RAP tells you to take a voltage reading between P J X and P J Y with no pin numbers given refer to the Wiring and Connection Diagrams in Section 6 and take readings on ALL pins 4 Unless otherwise instructed by a RAP take all voltage readings with the Print Cart...

Page 117: ...re properly closed 2 Switch the AC power on The Main Drive Motor runs Y N Go to RAP 7 3 3 The Ready LED illuminates and all other LEDs are off Y N If all three LEDs are flashing go to RAP 7 7 otherwise go to RAP 7 4 4 The Main Drive Motor stops Y N Replace the Engine Controller PWB PL 10 5 Press and hold the On Line Reset Key for approximately 5 seconds All LEDs flash Y N Replace in order Controll...

Page 118: ...on sheet The configuration sheet prints successfully Y N Go to RAP 7 9 14 Ask the customer to select the Page Menu Change the Copies selection to a different number example if the number is 1 change it to 3 if the number is 3 change it to 4 Select send Select the Test Menu and print a configuration sheet The selected parameter is change is indicated on the configuration sheet Y N Replace the Contr...

Page 119: ...er interlock actuator moves freely Replace the Engine Controller PWB PL 10 Paper Jam 0 Go to RAP 7 6 Paper Jam 1 Go to RAP 7 6 Paper Jam 2 Go to RAP 7 6 Scanner Error LASER Replace the LASER Assembly PL 6 Fuser Error Replace the Halogen Lamp PL 8 Replace the Fuser Assembly PL 8 Replace Engine Controller PWB PL 10 Input Output I O Error Inspect printer cable for damage and for proper connection rep...

Page 120: ...L 9 6 With the Main Drive Motor Assembly Harness properly connected lay the Gear Bracket and Main Drive Motor Assembly on the table next to the printer Cheat the Front Cover Interlock Switch the AC power on The Main Drive Motor Assembly runs normally Y N Go to step 10 7 Switch the AC power off Rotate the Paper Feeder Assembly gears The gears rotate freely Y N Check the gears for obstructions Repai...

Page 121: ...wer applied and the Main Drive Motor not running measure the voltage between pins 1 2 5 6 and frame ground The voltage is 24 0 2 0 VDC on all pins Y N Replace the Main Drive Motor Assembly PL 9 12 Replace the following one at a time the Joint PWB PL 10 then the Engine Controller PWB PL 10 ...

Page 122: ...oller PWB Repair or replace as necessary If harness is OK replace the Engine Controller PWB PL 10 7 Replace the Controller PWB PL 10 8 Use Table 7 4 to isolate the problem Table 7 4 Control Panel LEDs Control Panel LEDs Possible Cause Solution All three LEDs blink Defective Laser Defective Fuser Go to RAP 7 7 Error LED only is illuminated No Print Cartridge Open Front Cover Defective Front Cover A...

Page 123: ...ation of the Exit Sensor Actuator If OK replace the Engine Controller PWB PL 10 4 Remove the Right Side Cover Perform the Main Drive Motor test With the Main Drive Motor rotating manually actuate the Paper Feed Solenoid The Pick Up Roller rotates one complete revolution each time the solenoid is actuated Y N Replace the Paper Feed Solenoid PL 6 5 Clean or replace as necessary the Pick up Roll PL 4...

Page 124: ...Paper Jam 0 Paper Feed Registration Sensor or Sensor Actuator Use DCU test 08 to verify sensor If OK replace the Engine Controller PWB PL 10 Paper Jam 01 Paper Feed Registration Sensor or Sensor Actuator Fuser Assembly Use DCU test 08 to verify sensor If OK replace the Engine Controller PWB PL 10 Verify Fuser Assembly is operational Remove or replace as necessary PL 8 Inspect Exit Sensor Actuator ...

Page 125: ...eplace the Halogen Lamp REP 4 4 3 PL 8 4 Disconnect CN1 Fuser Thermister from the Engine Controller PWB Measure the resistance between pins 1 and 2 on the disconnected plug The resistance is between 4K ohms and 200K ohms Y N Replace the Thermister PL 8 5 Replace the Engine Controller PWB PL 10 6 Disconnect the AC power Remove the Laser Assembly and verify proper connection of both Laser harness co...

Page 126: ...s necessary PL 6 BLACK PRINTS the print is completely covered with toner and has no visible image 1 Controller PWB 2 Incorrect charge voltage 3 Print Cartridge 4 Engine Controller PWB 5 Laser on all the time 1 Using the DCU print a DCU test print If the test print is OK replace the Controller PWB If test print is black continue 2 Verify charge voltage output Charge voltage equals 1 3 KVDC 100 VDC ...

Page 127: ...ge 2 Defective ground on Print Cartridge 3 Controller PWB 4 Incorrect high voltage output 5 Defective LASER 6 Transfer Roller pressure 7 Paper 1 Inspect cartridge for removal of seal tape 2 Verify Print Cartridge ground Check continuity between cartridge contact and the Controller PWB metal cover Ensure that the Print Cartridge ground contact is clean and undamaged 3 Using the DCU print a DCU test...

Page 128: ...extremely rough heavily textured or of a high rag content 3 Check Remote Control Panel print quality settings 4 Inspect clean replace Fuser Assembly as necessary PL 8 5 Replace the Engine Controller PWB PL 10 STREAKS Extraneous dark lines bands in or across the process direction These are Engine Controller defects not related to the Controller PWB or Host Data 1 Print Cartridge 2 Fuser Assembly 3 ...

Page 129: ...urred or compressed 1 Paper transportation 2 Main Drive Motor Assembly 3 Fuser Assembly 4 Print Cartridge 1 Inspect paper transportation system for proper operation Replace worn parts 2 Inspect Main Drive Motor Assembly for damaged or worn gears Replace as necessary 3 Inspect clean replace Fuser Assembly as necessary PL 8 4 Replace Print Cartridge PL 1 Skewed Image Angular displacement of the imag...

Page 130: ...rint The test print completes successfully NOTE You may have to remove the back cover to attach the plug Y N Replace the Controller PWB PL 10 2 Disconnect the Anacom G80 or similar interface test box from the parallel port and perform the following Inspect for any visual signs of damage to the host interface cable Replace interface cable if necessary customer purchased item Reconnect the host inte...

Page 131: ...printer Y N Go to step 3 2 Return to the Entry Level RAP and continue 3 Replace the Controller PWB PL 10 Print a configuration sheet The RAM size indicated on the Status Report matches the memory actually installed in the printer Y N Inform the customer that the SIMM appears defective or is not compatible with the printer A compatible SIMM is a EDO 72 pin 60 ns or faster 32 bit no parity 4 Problem...

Page 132: ...7 98 Repair Analysis Procedures RAP 7 18 Xerox DocuPrint P8e Service Manual Notes ...

Page 133: ...3 99 Xerox DocuPrint P8ex Service Manual 8 1 Addendum Section 81 P8ex Addendum 1 2 Introduction 8 3 PCL 6 Emulation 8 4 Universal Serial Bus USB 8 5 REP 4 6 3A Controller PWB P8ex 8 6 Parts List 8 10 ...

Page 134: ...3 99 Addendum 8 2 Xerox DocuPrint P8ex Service Manual This Page intentionally left blank ...

Page 135: ...and frame has been changed to accommodate the Controller PWB The Front cover was changed to display the product name DocuPrint P8ex The DocuPrint P8ex software related changes are as follows The software allows 1200 dpi image quality using image quality enhancement techniques The CD ROM contains the software required to operate the DocuPrint P8ex printer along with useful printer utilities and a c...

Page 136: ...age Description PCL 6 PCL 5e Number of copies Select 1 99 copies Page orientation Select portrait or landscape Paper size Select from supported paper sizes see Printer Specifications in the User Guide Paper source Select printing from multipurpose paper feeder or manual feeder Graphic quality Select enhancement for graphical and or text printing Graphic mode Select vector or raster mode True Type ...

Page 137: ... USB v1 0 compliant cable 1 Make sure that the printer and PC are turned off 2 Plug the USB cable into the connector on the rear of the printer Figure 1 Figure 1 Connecting the USB 3 Connect the other end of the cable to the USB port on the customer s computer Installing the USB Port Driver The USB driver must be installed in order to print to the P8ex using a USB connection Currently USB printing...

Page 138: ... upgraded or the Controller PWB can be replaced Removing the Controller PWB 1 Turn off the printer and unplug the power cord 2 Disconnect all cables from the rear of the printer 3 Remove the two screws from the Controller PWB Figure 2 4 Pull the Controller PWB out of the printer Figure 2 Figure 2 Removing the Controller PWB 5 Disconnect J2 and J5 from the Controller PWB CAUTION These components ar...

Page 139: ...s of 4 8 16 or 32MB When the SIMM is installed the Controller PWB will automatically detect the memory and increase the printer s buffer size To install an additional memory module 1 Turn off the printer and disconnect the AC power 2 Disconnect all cables from the rear of the printer 3 Remove the two screws from the Controller PWB Refer to figure 2 4 Pull the Controller PWB out of the printer Refe...

Page 140: ...Service Manual 6 Push the SIMM down until it snaps into place Figure 4 Make sure both metal clips on the connector are fastened and the two pins on the connector are pushed through the holes on the SIMM Figure 4 Figure 4 Installing the SIMM ...

Page 141: ...clips at each end of the SIMM connector and rotate the SIMM up to lift it out Figure 5 Figure 5 Removing the SIMM Replacement 1 Assemble in reverse order 2 Print a Status Page to verify memory has been installed correctly and system recognizes the installation of additional memroy 3 Verify proper operation ...

Page 142: ...vers Item Part Number Description 1 Top Cover 2 802E00400 Rear Cover P8e 802E18660 Rear Cover P8ex 3 Right Side Cover 4 Bottom Cover 5 Face Up Cover 6 802E00380 Front Cover P8e 802E19230 Front Cover P8ex 7 Left Side Cover 8 113R00296 Print Cartridge A 600K72020 Hardware Kit ...

Page 143: ...3 99 Xerox DocuPrint P8ex Service Manual 8 11 Addendum P8e_308 1 2 3 4 5 6 7 8 ...

Page 144: ...ion 1 Front Cover Includes Items 2 through 7 2 Stacker Extender 3 Stacker 4 Duct 5 802E00380 Front Cover P8e 802E19230 Front Cover P8ex 6 Stacker Guide 7 Stopper 8 3E50440 Key 9 107E16960 LED 10 101E19680 Control Panel 11 Control Panel Cover 12 802E00390 Face Up Exit Cover A 600K72020 Hardware Kit ...

Page 145: ...3 99 Xerox DocuPrint P8ex Service Manual 8 13 Addendum 3 4 5 2 6 7 11 10 1 12 8 9 P8e_301a ...

Page 146: ...t Rack Left 3 Gear Adjust Rack Right 4 Pinion Gear 5 Auto Tray Adjust Right 6 Manual Tray Adjust Right 7 Film Guide Sheet 8 Manual Tray Adjust Left 9 Manual Paper Tray 10 Auto Tray Adjust Left 11 Paper Guide Plate 12 Rear Cover Assembly Includes Items 13 14 13 50E15050 Tray Extender 14 802E00400 Rear Cover P8e 802E18660 Rear Cover P8ex A 600K72020 Hardware Kit ...

Page 147: ...3 99 Xerox DocuPrint P8ex Service Manual 8 15 Addendum 3 2 11 10 9 14 13 8 6 5 7 4 14 13 1 12 P8_302A Rear panel of P8ex ...

Page 148: ... 160K60060 Controller PWB 115 VAC P8e 160K55520 Controller PWB 220 VAC P8e 160K65260 Controller PWB 115 VAC P8ex 160K65270 Controller PWB 220 VAC P8ex 4 SIMM 4MB SIMM 8MB SIMM 16MB SIMM 32MB 5 160K55660 Engine Controller PWB 115 VAC 160K55510 Engine Controller PWB 220 VAC 6 007K11190 Joint PWB 7 108E05380 Fuse 115 VAC T8A 108E05390 Fuse 220 VAC T5A A 600K72020 Hardware Kit ...

Page 149: ...3 99 Xerox DocuPrint P8ex Service Manual 8 17 Addendum 1 6 7 5 4 3 2 P8e_310b Rear view of P8ex 3 ...

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