Ricoh A265 Panduan Servis - Halaman 8

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Halaman Cetak

6.5.4 HOT ROLLER AND FUSING LAMP .............................................. 6-19

6.5.5 PRESSURE ROLLER/CLEANING ROLLER ................................. 6-20

6.5.6 PAPER EXIT SENSOR/PAPER OVERFLOW SENSOR ............... 6-21

6.6 PAPER FEED ......................................................................................... 6-22

6.6.1 FEED ROLLERS............................................................................ 6-22

6.6.2 PAPER END SENSOR .................................................................. 6-23

6.6.3 PAPER TRAY LIFT MOTORS ....................................................... 6-24

6.6.4 REGISTRATION CLUTCH............................................................. 6-25

6.6.5 PAPER FEED CLUTCHES ............................................................ 6-26

Lower Paper Feed Clutch .................................................................. 6-26

Upper Paper Feed Clutch. ................................................................. 6-26

6.6.6 RELAY CLUTCHES....................................................................... 6-27

6.6.7 PAPER SIZE DETECTOR/SPECIAL PAPER SENSOR................ 6-28

6.6.8 REGISTRATION SENSOR ............................................................ 6-29

6.6.9 RELAY SENSORS......................................................................... 6-30

Upper Relay Sensor........................................................................... 6-30

Lower Relay Sensor........................................................................... 6-30

6.7 PCBS AND OTHER ITEMS .................................................................... 6-31

6.7.1 BICU BOARD................................................................................. 6-31

6.7.2 I/O BOARD .................................................................................... 6-32

6.7.3 POWER PACK............................................................................... 6-32

6.7.4 MAIN MOTOR................................................................................ 6-33

6.7.5 PSU ............................................................................................... 6-34

6.8 COPY ADJUSTMENTS: PRINTING/SCANNING ................................... 6-35

6.8.1 PRINTING...................................................................................... 6-35

Registration - Leading Edge/Side-to-Side .......................................... 6-35

Blank Margin ...................................................................................... 6-36

Main Scan Magnification .................................................................... 6-36

Parallelogram Image Adjustment ....................................................... 6-37

6.8.2 SCANNING .................................................................................... 6-38

Registration: Platen Mode .................................................................. 6-38

Magnification ...................................................................................... 6-38

Standard White Density Adjustment................................................... 6-39

6.8.3 ADF IMAGE ADJUSTMENT .......................................................... 6-40

Registration ........................................................................................ 6-40

TROUBLESHOOTING

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

SC194: IPU White Level Detection Error ............................................. 7-4

SC546: Unstable fusing temperature ................................................... 7-9

SC620: Communication error between IOB and ADF ........................ 7-10

SC760: ADF gate abnormal ............................................................... 7-14

SC900: Electrical total counter error .................................................. 7-14

SC901: Mechanical Total Counter ..................................................... 7-14

vii

Rev. 04/2000

A265/A267