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Xerox WorkCentre PE120 120i

Tags : XeroxWorkCentrePE120120i071-0874-00 
Xerox WorkCentre PE120 120i Manuel de service

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Xerox WorkCentre PE120 120i Service Manual (071-0874-00)

1 Precautions
1.1 Safety Warnings. 1-1
1.2 Safety Cautions . 1-2
1.2.1 Toxic Material 1-2
1.2.2 Electric Shock and Fire Safety Precautions1-2
1.2.3 Handling Precautions. 1-3
1.2.4 Assembly and Disassembly Precautions 1-3
1.2.5 Bodily Injury Warnings . 1-4
1.3 ESD Precautions 1-5

2 Reference Information
2.1 Tools for Troubleshooting the system 2-1
2.2 Common Acronyms and Abbreviations 2-2
2.3 Selecting a Location for the system 2-4
3 Specifications
3.1 General Specifications 3-1
3.2 Electrical Specifications 3-2
3.3 Environmental Specifications 3-2
3.4 Routine Maintenance Items and Consumables . 3-2
3.5 Media Specifications . 3-3
3.6 Print Engine Specifications 3-4
3.7 Scan Specifications 3-5
3.8 Copy Specifications 3-6
3.8.1 Telephone Specification 3-7
3.9 Fax Specification 3-8

4 Product Summary
4.1 Printer Components - Front View . 4-1
4.1.2 Rear View . 4-2
4.1.3 Control Panel 4-3
4.2 System Layout 4-5
4.2.1 Scanner Paper Path 4-5
4.2.2 Print Engine Paper Path 4-5
4.2.3 Print Engine Paper Path Rollers 4-6
4.3 System Summary 4-6
4.3.1 Paper Feed . 4-8
4.2.4 Transfer Assembly. 4-8
4.2.5 Drive Assembly . 4-8
4.2.6 Fuser Assembly . 4-8
4.2.7 Laser Scanner Unit (LSU) . 4-9
4.2.8 Toner Cartridge 4-10
4.3 Main Controller Board (PBA) . 4-11
4.3.1 ASIC 4-12
4.3.2 Memory 4-13
4.3.3 Flash Memory . 4-13
4.3.4 SDRAM4-13
4.3.5 Battery Backup 4-13
4.3.6 Sensor Input Circuit. 4-13
4.4 Switching Mode Power Supply (SMPS) and High Voltage Power Supply (HVPS)4-15
4.4.1 High Voltage Power Supply 4-15
4.4.2 Switching Mode Power Supply 4-17
4.4.3 Fuser AC Power Control . 4-18
4.5 Engine F/W . 4-18
4.5.1 Feeding 4-18
4.5.2 Drive 4-19
4.5.3 Transfer 4-19
4.5.4 Fusing . 4-19
4.6 OPE (Control Panel) PBA4-20
4.7 USB Host . 4-20
4.8 Fax Section . 4-20
4.8.1 Modem. 4-20
4.8.2 LIU PBA . 4-21
4.8.3 Tel-Line Connection Circuit 4-21
4.8.4 Transformer Circuit . 4-22
4.8.5 On Hook State . 4-22
4.8.6 Off Hook State. 4-22
4.8.7 Signal 4-23
5 Disassembly
5.1 Precautions for Disassembly/Reassembly . 5-1
5.1.1 Precautions When Removing Circuit Boards 5-1
5.2 Rear Cover. 5-2
5.3 Side Covers Right and Left 5-3
5.4 Front Cover 5-4
5.5 Scanner Assembly . 5-4
5.6 ADF Motor Assembly 5-8
5.7 OPE (Control Panel) . 5-9
5.8 Middle Cover and Exit Roller . 5-10
5.9 Controller Shield Assembly. 5-11
5.10 Engine Shield and Exit Board 5-12
5.11 SMPS and LIU5-13
5.12 Fuser Assembly . 5-14
Thermostat . 5-14
Heat Roller and Halogen Lamp . 5-14
Guide and Fuser Cover . 5-14
Thermistor . 5-15
5.13 Fan . 5-15
5.14 Laser Scanner Unit (LSU) . 5-16
5.15 CRUM Board. 5-16
5.16 Drive Assembly . 5-17
5.17 Cover Mid Front 5-17
5.18 Transfer Assembly. 5-18
5.19 Feed Assembly5-18
5.20 Pick Up Assembly . 5-20
MP or Main Cassette Pick Rollers . 5-21
6 Alignment and Adjustments
6.1 Paper Path . 6-1
6.1.2 Copy and Scan Paper Path . 6-2
6.1.3 Printer Paper Path . 6-2
6.2 Clearing Paper Jams6-3
6.2.1 Clearing ADF Jams 6-4
6.2.1.1 ADF Misfeed 6-4
6.2.1.2 ADF Exit Misfeed or ADF Roller Misfeed . 6-4
6.2.2 Jam 0 - Paper in the Feed Area . 6-5
6.2.3 Jam 1 - Paper in the Fuser Area or Around the Toner Cartridge6-5
6.2.4 Jam 2 - Paper in the Exit Area 6-6
6.2.5 MP Tray Jam - Paper in the Bypass Tray . 6-6
6.3 Control Panel Menu6-7
6.4 Tech Mode. 6-8
6.4.1 Entering Tech Mode . 6-8
6.4.2 Tech Mode Menu . 6-8
6.4.3 Data Setup . 6-8
6.4.4 Machine Test 6-10
6.4.5 Report . 6-10
6.5 Engine Test Mode 6-11
6.5.1 Entering Engine Test Mode. 6-11
6.5.3 Detailed Description Engine Test Mode . 6-12
6.6 Identify Sale Date 6-13
6.8 Periodic Defective Image or Abnormal Printing. 6-14
6.9 Error Messages 6-15
7 Troubleshooting
7.1 Paper Feed Problems . 7-1
7.1.1 Wrong Print Position . 7-1
7.1.2 Jam 0 . 7-1
7.1.3 Jam 1 . 7-2
7.1.4 Jam 2 . 7-2
7.2.5 Multiple Pick . 7-3
7.2.6 Paper Rolled in the Fuser7-3
7.2.7 Paper Rolled in the OPC Drum . 7-3
7.2.8 Defective ADF7-4
7.2 System Malfuction. 7-5
7.2.1 LCD Display is Defective . 7-5
7.2.2 Defective Control Panel Keypad 7-5
7.2.3 Fuser Gear Melted Due to Overheating, Causing a Paper Jam . 7-5
7.2.4 Paper Empty Error . 7-6
7.2.5 Paper Empty Error Without Indication . 7-6
7.2.6 Cover Open 7-6
7.2.7 No Error Message when the Cover is Open . 7-6
7.2.8 Defective Motor Operation 7-7
7.2.9 No Power 7-7
7.2.10 Printed Vertical Lines Become Curved 7-7
7.3 Print Quality Problems . 7-8
7.3.1 Wrong Print Position . 7-8
7.3.2 Vertical White Lines . 7-8
7.3.3 Horizontal Black Band . 7-9
7.3.4 Black/White Spot7-9
7.3.5 Light Image . 7-10
7.3.6 Dark Image or Completely Black Print 7-10
7.3.7 Uneven Density 7-11
7.3.8 Background Contamination . 7-11
7.3.9 Ghosting 1 7-12
7.3.10 Ghosting 2 . 7-12
7.3.11 Ghosting 3 . 7-13
7.3.12 Ghosting 4 . 7-13
7.3.13 Stains on the Front of the Page . 7-13
7.3.14 Stains on the Back of the Page . 7-14
7.1.15 Blank Page is Printed 1 . 7-14
7.3.16 Blank Page is Printed 2 . 7-14
7.4 Fax and Phone Problems . 7-15
7.4.1 No Dial Tone 7-15
7.4.2 Defective MF Dial 7-15
7.4.3 Defective FAX FORWARD/RECEIVE . 7-16
7.4.4 Defective FAX FORWARD 7-16
7.4.5 Defective FAX RECEIVE 1 7-16
7.4.6 Defective FAX RECEIVE 2 7-16
7.4.7 Defective FAX RECEIVE 3 7-17
7.4.8 Defective FAX RECEIVE 4 7-17
7.4.9 Defective Automatic Receiving7-17
7.5 Copy Problems 7-18
7.5.1 White Copies 7-18
7.5.2 Black Copies 7-18
7.5.3 Abnormal Noise7-18
7.5.4 Defective Image Quality . 7-18
7.6 Scanning Problems . 7-19
7.6.1 PC Scanning Problems 7-19
7.6.2 Poor Quality Output of PC Scanned Images 7-19
7.7 Toner Cartridge Servicing 7-20
7.7.1 Precautions for Toner Cartridges. 7-20
7.7.2 Toner Cartridge Life 7-20
7.7.3 Redistributing Toner 7-20
7.9 Software Problems7-21
7.9.1 The Printer is Not Responding to the Print Command 7-21
7.8.2 The Printer is Not Responding to a Print Command or
Strange Fonts are Printing. 7-21
7.8.3 SPOOL Error 7-22
7.9 Networking Problems . 7-22
8 Parts List
8.1 Main Assembly . 8-2
8.2 Main Drive Assembly 8-5
8.3 ADF Assembly . 8-6
8.4 Control Panel OPE Assembly . 8-10
8.5 Scanner Assembly . 8-12
8.6 Middle Cover Assembly . 8-14
8.7 Frame Assembly . 8-15
8.8 Fuser Unit Assembly 8-18
8.9 MP Assembly . 8-20
8.10 Tray 1 (Cassette) Unit Assembly8-22
8.11 Tray 2 (SCF - Optional Cassette) Unit Assembly . 8-24
Xerox Options and Accessories. 8-26
9 Block Diagram
10 Connection Diagram





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