Canon DU7-1100-010 Printer User Manual


 
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-105
CHAPTER 13 TROUBLESHOOTING
65 Pickup operation fails.
Step
1
2
3
4
5
6
7
8
9
Action
See "The lifter fails to
move up."
Route the belt correctly.
Close the covers
firmly.
Check the pressure
springs.
Check the wiring; if
normal, replace the
clutch(es).
See "the registration
roller fails to rotate."
Go to step 9.
Check the wiring; if
normal, replace the
clutch in question.
Replace the DC
controller PCB.
Check the wiring and
the lever; if normal,
replace the sensor.
Remove the pickup
assembly, and check
the spring.
Checks
Slide out and in the cassette. Is the sound
of the lifter falling and the lifter motor
turning heard?
Is the drive belt routed correctly?
Are the upper right cover and the lower
right cover closed firmly?
Are the upper right cover and the lower
right cover forcing the vertical path rolls
1, 2, 3, and 4 in place?
Open the upper right cover and the lower
right cover. Do the vertical path rollers 1,
2, 3, and 4 and the pre-registant roller
rotate when power is put over the cover
open/closed sensor and the Copy Start
key is pressed?
Is the leading edge of the copy paper as
far as the registration roller assembly?
Open the upper right cover and the lower
right cover. Does the feeding/separation
roller rotate when a screwdriver is
inserted into the door switch and the Copy
Start key is pressed?
Set the meter to the 30VDC range, and
connect the probes to the connectors of
the DC controller PCB as indicated in the
following table. Does the voltage change
from 24 to 0 V when the Copy Start key
is pressed?
Check which sensor has detected the jam
in COPIER>I/O>IP in service mode. Is
the sensor normal?
Yes/No
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
YES
Cause
Drive gear
Upper right
cover, Lower
right cover
Pressure cover
Vertical path 1
clutch (CL8),
Vertical path 2
clutch (CL9),
Vertical path 3
clutch (CL13),
Vertical path 4
clutch (CL15),
Pre-registration
roller clutch (CL5)
Registration
roller drive clutch
Pickup
assembly
Pickup clutch
DC controller
PCB
Sensor
Pickup assembly
Cassette Clutch + -
Right deck
3
Left deck
CL10
CL12
CL11
J511-A1
J515-A1
J518-B7
GND
GND
4 CL14 J517-A1
GND
GND