Ricoh A230 Service Manual page 1107

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
Rev. 09/2000
A230/A231/A232