Xerox Phaser 7750 Manuale di servizio - Pagina 4

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Xerox Phaser 7750 Manuale di servizio
Engine Logic Board NVRAM Failure, Code 83 . . . . . . . . . . . . . . 3-40
Controller to Engine Logic Board Time Failure, Code 84 . . . . . . 3-40
Engine Logic Board Micro Pitch Failure, Code 85. . . . . . . . . . . . 3-40
High-Voltage Power Supply Failure, Code 86 . . . . . . . . . . . . . . . 3-40
Tray Lift Failure, Code 87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
Tray 1/MPT Size Sensor (7-274), Code? . . . . . . . . . . . . . . . . . . 3-43
Lower Tray Communication Failure, Code 88. . . . . . . . . . . . . . . 3-44
Reflective Sensor Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45
Transmissive Sensor Procedure. . . . . . . . . . . . . . . . . . . . . . . . . 3-46
Finisher Stapler Move Sensor On Failure, Code 111
Finisher Stapler Failure, Code 113 . . . . . . . . . . . . . . . . . . . . . . . 3-49
Front Tamper Home Sensor Failure, Code 114. . . . . . . . . . . . . . 3-51
Rear Tamper Home Sensor Failure, Code 115 . . . . . . . . . . . . . . 3-52
Finisher Stacker Height Sensor Off Failure, Code 116 . . . . . . . . 3-53
Finisher Stacker Tray Failure, Code 117 . . . . . . . . . . . . . . . . . . . 3-55
Finisher Stapler Front Corner On Failure, Code 118
Finisher Eject Clamp Home Sensor On Failure, Code 120
Finisher Decurler Failure, Code 122 . . . . . . . . . . . . . . . . . . . . . . 3-59
Finisher Set Clamp Failure, Code 123. . . . . . . . . . . . . . . . . . . . . 3-60
Finisher Communication Failure, Code 124 . . . . . . . . . . . . . . . . 3-61
Finisher Staple Mode Logic Failure, Code 125 . . . . . . . . . . . . . . 3-61
4 General Troubleshooting
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Service Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Service Diagnostic Front Panel Button Descriptions. . . . . . . . . . . 4-3
Service Diagnostic Tests Table. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Front Panel Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
The Printer Does Not Come to a "Ready" State . . . . . . . . . . . . . 4-14
Inoperable Printer Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Troubleshooting Power Supplies and Interlocks . . . . . . . . . . . . . . . . . . 4-16
Troubleshooting AC Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Troubleshooting the Low-Voltage Power Supplies. . . . . . . . . . . 4-17
Troubleshooting the +3.3 VDC and
Troubleshooting the 24 VDC LVPS. . . . . . . . . . . . . . . . . . . . . . . 4-18
Interlock Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Media Jams and the Paper Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Media-Based Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Operating System and Application Problems. . . . . . . . . . . . . . . . . . . . . 4-23
Windows 2000, Windows XP, Windows Server 2003
Windows NT 4.x Troubleshooting (TCP/IP) . . . . . . . . . . . . . . . . 4-24
Service Manual
Finisher Stapler Move Sensor Off Failure, Code 112. . . . . . . 3-47
Finisher Stapler Front Corner Off Failure, Code 119 . . . . . . . 3-57
Finisher Eject Clamp Home Sensor Off Failure, Code 121. . . 3-58
(2) +5 VDC Low-Voltage Power Supplies . . . . . . . . . . . . . . . 4-18
Troubleshooting (TCP/IP). . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
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