3PH
1-4-5
9080
LED fault detection
A block is existent below a
peak which was obtained by
activating the LEDs in the four
CIS blocks at power on, which
is less than 80hex.
DP CIS
1. Execute CIS automatic original
document alignment by U411 (see page
1-3-36).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
CIS and DP SHD PWB (YC2)
DP SHD PWB (YC1) and DP main PWB
(YC10)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the CIS and execute U411.
DP SHD PWB
Replace the DP SHD PWB.
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for DP 773
Page 1: ...Service Manual Document Processor DP 773 First Edition Date 30 08 2013 3PHSM060 ...
Page 3: ...Revision history Revision Date Replaced pages Remarks ...
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Page 16: ...3PC 1 1 4 This page is intentionally left blank ...
Page 20: ...3PH 1 2 4 This page is intentionally left blank ...
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