Table of Contents
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Rev. 02/2003
6.7.4 CLEANING ROLLER....................................................................... 6-42
6.7.5 HOT ROLLER AND PRESSURE ROLLER .................................... 6-43
6.8 DRIVE AREA............................................................................................ 6-44
6.8.1 REGISTRATION CLUTCH AND TRANSFER BELT CLUTCH....... 6-44
6.8.2 MAIN MOTOR ................................................................................. 6-45
6.8.3 TONER BOTTLE MOTOR .............................................................. 6-46
6.9 PCBS........................................................................................................ 6-47
6.9.1 POWER PACK ................................................................................ 6-47
6.9.2 I/O BOARD ...................................................................................... 6-47
6.9.3 BICU BOARD .................................................................................. 6-48
6.9.4 PSU ................................................................................................. 6-49
6.10 HARD DISK ............................................................................................ 6-50
6.11 COPY ADJUSTMENTS: PRINTING/SCANNING .................................. 6-51
6.11.1 PRINTING ..................................................................................... 6-51
Registration - Leading Edge/Side-to-Side ........................................... 6-51
Blank Margin........................................................................................ 6-52
Main Scan Magnification ..................................................................... 6-52
Parallelogram Image Adjustment ........................................................ 6-53
6.11.2 SCANNING ................................................................................... 6-54
Registration: Platen Mode ................................................................... 6-54
Magnification........................................................................................ 6-54
Scanner Skew Image Adjustment ....................................................... 6-55
6.11.3 ADF IMAGE ADJUSTMENT ......................................................... 6-56
Registration.......................................................................................... 6-56
7. TROUBLESHOOTING ................................................................. 7-1
7.1 SERVICE CALL CONDITIONS.................................................................. 7-1
7.1.1 SUMMARY ........................................................................................ 7-1
7.1.2 SC CODE DESCRIPTIONS.............................................................. 7-2
7.2 ELECTRICAL COMPONENT DEFECTS................................................. 7-24
7.2.1 SENSORS ....................................................................................... 7-24
7.2.2 SWITCHES...................................................................................... 7-25
7.3 BLOWN FUSE CONDITIONS .................................................................. 7-26
7.4 ROM HISTORY ........................................................................................ 7-27
SM
vii
A230/A231/A232
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