Diagnostic Information 2-7
4023-001
Operator Messages
Message Description Action
Check Finisher
Installation
The finisher is not
responding to the
printer.
Check all connecting
cables between the finisher
and the printer. Ensure
printer/option pin interlock
is fully activated.
Check Mailbox
Installation
The mailbox is not
responding to the
printer.
Check all connecting
cables between the
mailbox and the printer.
Ensure printer/option pin
interlock is fully activated.
Close Cover A The toner box cover (A)
is open.
1. Close cover A. Check
toner box cover open
terminals and connector.
Replace if necessary.
2. Replace printer main
engine board (PWB-A) if
necessary.
Close Door <D,E> Tray 2(D) or tray 3(E) is
open. Close to reset.
Check sensors (PC-23)
and connectors. Replace if
necessary. Replace printer
main engine board (PWB-
A) if necessary.
Close Door (C) The upper right door
(PC/image cartridge) is
open. Close the upper
right door.
Check door switch (S2)
and door interlock (S3).
Check connectors and
replace as necessary.
Replace printer main
engine board (PWB-A) if
necessary.
Close Door <F> The 2500-sheet side
door F is open.
Check sensor (LS1) and
connectors. Replace if
necessary.
Note: Replace printer
main engine board (PWB-
A) if necessary.
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