Gestetner B130 Service Manual page 15

3.8 HIGH-VOLTAGE POWER SUPPLY BOARD ..........................................3-22
3.9 EXHAUST FAN AND MAIN MOTOR.......................................................3-23
3.9.1 EXHAUST FAN ..............................................................................3-23
3.9.2 MAIN MOTOR ................................................................................3-23
3.10 PAPER FEED........................................................................................3-24
3.10.1 PAPER FEED ROLLER AND FRICTION PAD .............................3-24
3.10.2 PAPER END SENSOR.................................................................3-24
3.10.3 REGISTRATION SENSOR...........................................................3-25
3.10.4 BYPASS PAPER END SENSOR..................................................3-25
3.10.5 BYPASS FEED ROLLER .............................................................3-26
3.10.6 BYPASS FEED CLUTCH AND FRICTION PAD ..........................3-27
3.10.7 PAPER FEED AND REGISTRATION CLUTCHES ......................3-28
3.11 IMAGE TRANSFER...............................................................................3-29
3.11.1 TRANSFER ROLLER ...................................................................3-29
3.11.2 ID SENSOR AND DUPLEX ROLLER...........................................3-29
3.11.3 DISCHARGE PLATE ....................................................................3-30
3.12 CONTROLLER BOX AND BICU (B129/B130/B168/B169)....................3-31
3.13 FUNCTION CONTROL UNIT (B044/B045/B046)..................................3-33
3.14 LASER UNIT .........................................................................................3-34
3.14.1 LOCATION OF CAUTION DECAL ...............................................3-34
3.14.2 PSU ..............................................................................................3-35
3.14.3 LASER UNIT ................................................................................3-36
3.14.4 LD UNIT AND POLYGON MIRROR MOTOR...............................3-36
3.15 ADJUSTING COPY IMAGE AREA........................................................3-37
3.15.1 PRINTING ....................................................................................3-37
Adjusting Registration .........................................................................3-37
Adjusting Blank Margin .......................................................................3-38
Adjusting Main-Scan Magnification .....................................................3-38
3.15.2 SCANNING...................................................................................3-39
Adjusting Registration .........................................................................3-39
Adjusting Magnification .......................................................................3-39
Standard White Density Adjustment ...................................................3-40
3.15.3 ADF IMAGE ADJUSTMENT .........................................................3-41
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS .................................................................4-1
4.1.1 SUMMARY .......................................................................................4-1
4.1.2 SC CODE DESCRIPTIONS .............................................................4-2
B129/B130/B168/B169 UNIQUE ..........................................................4-2
B044/B045/B046 UNIQUE..................................................................4-11
ALL OTHER CODES FOR: (B129/B130/B168/B044/B045/B046) ......4-10
4.2 ELECTRICAL COMPONENT DEFECTS ................................................4-17
4.2.1 SENSOR/SWITCH OPEN ERRORS (B129/B130/B168/B169) ......4-17
4.2.2 SENSOR/SWITCH OPEN ERRORS (B044/B045/B046)................4-18
4.2.3 BLOWN FUSE CONDITIONS ........................................................4-19
SM
CÓPIA NÃO CONTROLADA
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CÓPIA NÃO CONTROLADA
B129 Series/B044 Series