Ricoh M160, Service Manual

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M160/M161 viii SM
6.2 SERVICE CALL ............................................................................................................. 6-2
6.2.1 SUMMARY .......................................................................................................... 6-2
When a Level “D” SC code occurs .......................................................................... 6-2
6.2.2 SC100 (SCANNING) ........................................................................................... 6-3
6.2.3 SC200 (LED OPTICS) ......................................................................................... 6-7
6.2.4 SC300 (IMAGE PROCESSING – 1) ................................................................... 6-9
6.2.5 SC400 (IMAGE PROCESSING – 2) ................................................................. 6-11
6.2.6 SC500 (PAPER FEED AND FUSING) .............................................................. 6-12
6.2.7 SC600 (DEVICE COMMUNICATION) .............................................................. 6-20
6.2.8 SC700 (PERIPHERALS) ................................................................................... 6-35
6.2.9 SC800 (CONTROLLER) ................................................................................... 6-35
6.2.10 SC900 (OTHERS) ........................................................................................... 6-102
6.3 JAM DETECTION ...................................................................................................... 6-108
6.3.1 JAM DISPLAYS ............................................................................................... 6-108
6.3.2 JAM HISTORY................................................................................................. 6-108
6.3.3 SENSOR POSITION LAYOUT ........................................................................ 6-109
6.3.4 SENSOR POSITION ....................................................................................... 6-109
ARDF ................................................................................................................... 6-110
Main Machine ...................................................................................................... 6-110
Optional Bank ...................................................................................................... 6-111
6.4 TROUBLESHOOTING ............................................................................................... 6-112
6.4.1 TEST PATTERN PRINTING ............................................................................ 6-112
6.4.2 IMAGE POSITION ADJUSTMENT ................................................................. 6-113
6.4.3 REGISTRATION ADJUSTMENT .................................................................... 6-114
Print Area ............................................................................................................. 6-114
Adjustment Reference Values ............................................................................. 6-114
Adjustment Procedure ......................................................................................... 6-114
6.4.4 SCANNER, ARDF IMAGE ADJUSTMENT ..................................................... 6-115
Scanner Image Adjustment ................................................................................. 6-115
ARDF Image Adjustment ..................................................................................... 6-116
6.4.5 PROBLEM AT REGULAR INTERVALS .......................................................... 6-117
When Vertical Banding is Generated .................................................................. 6-118
When Black Spots are Generated on Print Image .............................................. 6-119
6.4.6 PAPER FEED (SKEW) .................................................................................... 6-120
6.4.7 STACK ERROR (SPILLING OF THE PAPER STACKED IN THE OUTPUT TRAY)
6-120
6.4.8 RECYCLED OR THIN PAPER IS SEVERELY CURLED AFTER PRINTING 6-121
7. ENERGY SAVE .............................................................................. 7-1
7.1 ENERGY SAVE .............................................................................................................. 7-1