The Message "Rec. Paper Jam" Fails To Go Off - Canon imageCLASS D600s Service Manual

CHAPTER 7 TROUBLESHOOTING
4.2.9

The message "REC. PAPER JAM" fails to go OFF.

General conditions
1) Check to find out which of the following sensors is faulty; see also 4.
in Chapter 4:
• cassette paper sensor (PS103)
• manual feed tray paper sensor (PS4)
• delivery sensor (PS3)
• paper leading edge sensor (PS102)
Sensor flag
2) Is the flag of the sensor identified in step 1) damaged or displaced?
YES: Correct it. If damaged, replace it.
Connector
3) Is the connection between the connector for the sensor identified in
step 1) and the image processor PCB, DC controller PCB, and
power supply PCB normal?
• In the case of the manual feed tray paper sensor (PS4), J303 and
J308 of the image processor PCB and J204 of the DC controller
PCB.
• In the case of the delivery sensor (PS3), J106 and J109 of the power
supply PCB and J202 of the DC controller PCB.
NO:
Sensor
4) If the faulty sensor is any of the following, try replacing it. Is the
problem corrected?
• manual feed tray paper sensor (PS4)
• delivery sensor (PS3)
YES: End.
DC controller PCB, Image processor PCB, Power supply PCB
5) 1.
edge sensor (PS102) is faulty, try replacing the DC controller PCB.
Is the problem corrected?
2.
ing the image processor PCB. Is the problem corrected?
3.
power supply PCB. Is the problem corrected?
YES: End.
NO:
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COPYRIGHT © 2001 CANON INC.
Chapter7C.p65
Correct the connection.
If the cassette paper sensor (PS103) or the paper leading
If the manual tray paper sensor (PS4) is faulty, try replac-
If the delivery sensor (PS3) is faulty, try replacing the
If the manual feed tray paper sensor (PS4) or the delivery sensor
(PS3) is faulty, replace the DC controller PCB.
CANON imageCLASS D600s/PC1060s/PC1200s/iR1200s REV. 0 SEPT. 2001
40 8/26/01, 3:48 PM