Ricoh D0C8, Service Manual

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SM xvi D0CA/D0C9/D0C8/D0CB
6.3 SC2XX: EXPOSURE ................................................................................................... 6-15
6.3.1 WHEN SC285-00 (MUSIC ERROR) IS DISPLAYED ....................................... 6-20
An abnormal value may be contained in the SP where the MUSIC corrected result is
saved. .................................................................................................................... 6-21
Execute MUSIC and check the result. .................................................................. 6-21
Execute SP2-112-001 (TM/ID Sensor Check: Execute). ...................................... 6-21
Follow the next step if executing SP2-111-004 (Forced Line Position: Adj. Mode d)
and SP2-194-007 (MUSIC Execution Result: Execution Result) fails. ................. 6-22
Check if there is no problem concerning the mechanism (interference or
deformation). ......................................................................................................... 6-22
6.4 SC3XX: IMAGE PROCESSING .................................................................................. 6-23
6.5 SC4XX: IMAGE PROCESSING .................................................................................. 6-31
6.6 SC5XX: PAPER FEED AND FUSING ......................................................................... 6-34
6.7 SC6XX: COMMUNICATION ........................................................................................ 6-51
6.8 SC7XX: PERIPHERALS .............................................................................................. 6-72
6.9 SC8XX: OVERALL SYSTEM ....................................................................................... 6-79
Turn the main power OFF and check the SD card insertion status. ................... 6-103
In the case of a file system error, reformat the SD card (using the "SD Formatter"
made by Panasonic).* ......................................................................................... 6-103
Turn the main power OFF and check the SD card insertion status. ................... 6-103
6.10 SC9XX: OTHERS ................................................................................................ 6-114
6.11 PROCESS CONTROL ERROR CONDITIONS ......................................................... 6-127
6.11.1 PROCESS CONTROL SELF-CHECK RESULT ............................................. 6-127
Vsg Adjustment Result ........................................................................................ 6-129
6.11.2 LINE POSITION ADJUSTMENT RESULT ...................................................... 6-130
6.12 TROUBLESHOOTING FOR IMAGE QUALITY PROBLEMS ............................. 6-131
6.12.1 FLOWCHART FOR IDENTIFYING UNIT CAUSING IMAGE QUALITY
DEGRADATION (PROBLEM AT REGULAR INTERVALS) ....................................... 6-131
Enter the SP mode, and then select SP2-109-003. ............................................ 6-132
6.12.2 ONLY BLACK IS NOT PRINTED .................................................................... 6-133
Black cannot be printed. ...................................................................................... 6-133
The ITB contact/release lever is not set to the proper position. ......................... 6-133
Set the ITB contact/release lever to the proper position. .................................... 6-134
6.12.3 MISRECOGNITION OF AUTO COLOR SELECTION WHEN SCANNING
ORIGINALS ................................................................................................................ 6-134
In Auto Color Selection (ACS) mode, 2 processes are carried out, namely (1)
Chromatic Color Recognition and (2) Size Recognition, to determine whether the
scanned original is full color or black-and-white. ................................................ 6-134
In “A.C.S. Sensitivity”, you can adjust the level of (2)Size Recognition for