The Message "Rec. Paper Jam Slide Platen Left" Fails To Go Off - Canon iR1200 Series Service Manual

CHAPTER 7 TROUBLESHOOTING

4.2.9 The message "REC. PAPER JAM SLIDE PLATEN LEFT" fails to go OFF.

General conditions
1) Check to find out which of the following sensors is faulty. (See 6.1
•
•
•
•
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
•
•
NO:
Sensor
4) If the faulty sensor is any of the following, try replacing it. Is the
•
•
YES: End.
DC controller PCB, Image processor PCB, Power supply PCB
5) 1. If the cassette paper sensor (PS103) or the paper leading edge
YES: End.
NO:
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COPYRIGHT © 2002 CANON INC.
of Chapter 7.)
cassette paper sensor (PS103)
manual feed tray paper sensor (PS4)
If both the sensors above are normal, the cause is with either of the
sensors below. Follow the check procedure from Step 2, with each
of the sensors below.
delivery sensor (PS3)
paper leading edge sensor (PS102)
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.
Correct the connection.
problem corrected?
manual feed tray paper sensor (PS4)
delivery sensor (PS3)
sensor (PS102) is faulty, try replacing the DC controller PCB. Is
the problem corrected?
2. If the manual feed tray paper sensor (PS4) is faulty, try replacing
the image processor PCB. Is the problem corrected?
3. If the delivery sensor (PS3) is faulty, try replacing the power sup-
ply PCB. Is the problem corrected?
If the manual feed tray paper sensor (PS4) or the delivery sensor
(PS3) is faulty, replace the DC controller PCB.
2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002