1/05
8e-4
DocuColor 12/DCCS50
OF3-2, 3-285
Reissue
Electronic Pre-Collation (EPC)
3-285 EPC Communications Fault RAP
Control Logic was unable to communicate with the EPC PWB.
Initial Actions
Refer to EPC BSDs (Chain 01) and EPC BSDs (Chain 03) for this procedure.
• Check that the EPC Scan Cable and Print Cable are seated correctly.
• Initialize the EPC (GP 1).
Procedure
There is +5VDC from pin 8 to pin 5 of P640 on the EPC PWB.
YN
Go to Fl
ag 2 and Fl
ag 3 on BSD 1.1 (EPC DC Power). check for an open circuit or an
open fuse F6. If the wires are OK, replace the IOT LVPS (PL 9.3).
Check the EPC Scan Cable and Print Cable for damage or poor connections. If the problem
continues, replac
e the following parts in the order listed until the problem is resolved:
• EPC Print Cable (PL 20.
1)
•
EPC Scan Cable (PL 20.1)
•
EPC PWB (PL 20.1)
•
VSEL Base TTL PWB (PL 9.2)
03-591 The number of originals exceeds the EPC controllable
number limit.
Select
Job Cancel or Con-
tinue. If the code is displayed
before t
he limit is actually
reached, initialize the EPC
(GP 1).
Table 1 Operator Message/Fault Code Table
Fa
ult
Code Description Action
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