
4–13
TROUBLESHOOTING MALFUNCTIONS
20
E261 (zero cross error)
21
E310 (The scanning lamp is poorly adjusted.)
Cause
Connector
(poor contact)
DC controller
PCB
Composite
power supply
PCB
Step
1
2
3
Checks
Turn OFF/ON the main power
supply. Is the problem correct-
ed?
Is the connection of the con-
nector J102 on the DC con-
troller PCB and the connector
J209 on the composite power
supply PCB good?
Replace the DC controller
PCB. Is the problem corrected?
Yes/No
YES
NO
YES
NO
Action
End.
Connect the connector proper-
ly.
End.
Replace the composite power
supply PCB.
Cause
Connector
(poor contact)
Intensity sensor
(soiled)
Intensity sensor
DC controller
PCB
Step
1
2
3
4
Checks
Press the Copy Start key. Does
the scanning lamp turn ON?
Is the wiring from the connector
J112 on the DC controller PCB
to the scanning lamp intensity
sensor normal?
Clean the photo face of the
intensity sensor. Is the problem
corrected?
Replace the intensity sensor. Is
the problem corrected?
Yes/No
NO
NO
YES
YES
NO
Action
See “The scanning lamp fails
to turn ON.”
Correct it.
End.
End.
Replace the DC controller
Содержание GP215
Страница 4: ......
Страница 36: ......
Страница 38: ...3 2 TROUBLESHOOTING IMAGE PROBLEMS ...
Страница 39: ...3 3 TROUBLESHOOTING IMAGE PROBLEMS ...
Страница 40: ...3 4 B Image Fault Samples ...
Страница 80: ......
Страница 87: ...6 1 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 6 ...
Страница 90: ...6 4 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS B Motors Figure 6 602 M2 M1 M4 M3 M9 M5 M8 M7 M6 ...
Страница 92: ...6 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS C Fans Figure 6 603 FM6 FM5 FM2 FM3 FM1 FM4 ...
Страница 100: ...6 14 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS G Fax Related PCBs Figure 6 607 1 2 4 6 3 7 8 5 ...
Страница 105: ...6 19 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 3 Composite Power Supply PCB Figure 6 610 ...
Страница 107: ...6 21 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 5 CORE IP Board Figure 6 613 J503 J504 J510 J501 J502 ...
Страница 204: ...C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 A 3 ...
Страница 205: ...General Circuit Diagram 2 4 A 4 ...
Страница 206: ...General Circuit Diagram 3 4 A 5 ...
Страница 207: ...General Circuit Diagram 4 4 A 6 ...
Страница 217: ...PRINTED IN JAPAN IMPRIME AU JAPON 0796S3 52 1 This publication is printed on 70 reprocessed paper ...