657
JAN 2006
Ver. 5.2
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
10. E7-20 (Faulty Second Feed Motor)
Cause Checks
Yes
/ No
Action
Second Feed Motor
(M8)
Does the second feed motor in reverse
at a specific timing?
No Replace the second feed
motor or the Finisher
Controller PCB.
Shutter Mechanism Are the shutter and the shutter upper /
lower bar engaged correctly?
No Engage them correctly.
Turn the feed roller 2 in reverse by
hand. Does the shutter upper / lower
bar move up / down?
No Correct mechanism from
the shutter upper/lower bar
to the gear of the feed roller
2.
Shutter Open
Detection Sensor
(PI5)
Is the shutter open detection sensor
normal?
No Replace the sensor.
Finisher Controller
PCB
Yes Replace the Finisher
Controller PCB.
Shutter Closed
Detection Switch
(MS4)
Is the shutter closed detection switch
normal?
No Replace the switch.
Check the safety range switch. Is the
switch normal?Safety Range Switch
(MS3)
No Replace the switch.
Is the safety range detection switch
passed correctly?
No Correct mechanical
operation.
Is the shutter closed detection switch
pressed correctly?
No Correct the mechanism.
Finisher Controller
PCB
Yes Replace the Finisher
Controller PCB.