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Cause/Faulty Location
Check Item
Remedy
Remaining media
Media remaining in transport
path?
Remove remaining media.
Cut sheet detection
sensor (PS1)
Roll media detec-
tion sensor (PS2)
Media discharge
sensor (PS6)
Cut sheet trailing
edge sensor (PS7)
Engine controller
PCB
Set the tester range to 12 VDC,
and connect the tester probes
across the terminals shown in
the following table. Does the
voltage change to 0 V from 5 V
when media is inserted at each
of the sensors?
PSt | J207-A2 | J207-A1
Ps2 | J207-A5 | J207-A4
Check wiring. If normal, replace
sensor.
Ps6 | J207-A8 | J207-A7
PS7
| J207-B11 | J207-B10
Replace engine controller PCB.
Image controller
PCB
5-34
Is problem solved by replacing
image controller PCB?
COPYRIGHT © 1998 CANON INC.
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