Duplex Exit Sensor....................................................................................................................................129
Drive Mechanisms.........................................................................................................................................130
Registration Clutch, Transfer Belt Contact Clutch....................................................................................130
Main Motor...............................................................................................................................................131
Fusing/Exit Motor.....................................................................................................................................132
Toner Supply Motor..................................................................................................................................134
Boards............................................................................................................................................................136
NVRAM......................................................................................................................................................136
Uploading NVRAM Data (SP5-824).............................................................................................136
Replacing NVRAM...........................................................................................................................137
Downloading NVRAM Data (SP5825)..........................................................................................138
HVPS...........................................................................................................................................................140
IOB.............................................................................................................................................................141
BICU Board................................................................................................................................................142
PSU.............................................................................................................................................................142
HDD and Controller Board.......................................................................................................................143
Parallelogram Image Adjustment.................................................................................................................145
4. Troubleshooting
Service Call Conditions.................................................................................................................................147
SC Code Descriptions...............................................................................................................................147
Electrical Component Defects.......................................................................................................................176
Sensors.......................................................................................................................................................176
Switches.....................................................................................................................................................177
Blown Fuse Conditions (PSU)...................................................................................................................178
BICU LEDs..................................................................................................................................................178
Controller Board Test Points.....................................................................................................................178
5. Service Tables
Service Program Mode Operation..............................................................................................................181
General Notes...........................................................................................................................................181
Entering and Leaving the Service Program Mode..................................................................................181
Printer Controller Service Mode...............................................................................................................182
Controller Service Mode Menus.....................................................................................................182
Bit Switch Programming...................................................................................................................182
15
Summary of Contents for A-P4
Page 1: ...Model A P4 Machine Code G147 SERVICE MANUAL May 12th 2006 Subject to change...
Page 27: ...Installation Flowchart 1 Installation 26 1...
Page 59: ...3 Reattach the application cover x1 1 Installation 58 1...
Page 65: ...2 Preventive Maintenance 64 2...
Page 72: ...Left Covers 1 Left upper cover A x4 2 Controller cover B x2 Covers and Common Procedures 71 3...
Page 82: ...Laser Unit 81 3...
Page 103: ...5 Cover C x2 6 Gear D x1 7 Lower paper feed unit E x2 x1 3 Replacement and Adjustment 102 3...
Page 128: ...Duplex Unit Duplex Cover Removal 1 Duplex unit cover A x4 Duplex Unit 127 3...
Page 181: ...4 Troubleshooting 180 4...
Page 289: ...Self Diagnostic Test Flow 5 Service Tables 288 5...
Page 306: ...Controller Block Diagram Board Layout 305 6...
Page 319: ...What Happens When a New Unit Is Detected 6 Details 318 6...
Page 367: ...6 Details 366 6...
Page 379: ...MEMO 378...
Page 380: ...MEMO 379...
Page 381: ...MEMO 380...