Oki C711 User Manual

44205401TH Rev.1
152 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
Check item Check work
Action to be taken
at NG
(1-1-5) LSI operation check
I/F signal supplied
from the CU/PU
board to the
Operator Panel
board.
Check if the signal is output to the OPE
connector
of the CU/PU board or not.
Pin-2: Send data (Sending data from the CU/PU
board)
Pin-5: CLR
If it is normal, the signal is output always.
Replace the
CU/PU board.
I/F signal supplied
from the CU/PU
board to the
Operator Panel
board.
Chec
k if the signal is output to the OPE
connector
of the CU/PU board or not.
Pin-3: Send data (Sending data from the CU/PU
board)
If it is normal, the signal is output always.
Replace the
Operator Panel
board.
(1-2) PLEASE WAIT
(If the message is left attended, the error number changes to "COMMUNICATION ERROR".)
Check item Check work
Action to be taken
at NG
(1-2-3) Implement version upgrade of the PU firmware
Version upgrade of
the PU firmware
When the PU firmware version upgrade is
completed, this display appears.
Check the PU firmware version number by using
the menu print or the maintenance function.
If the message
reappears after
the power is re-
started again,
implement the
confirmations of
sections (1-3-1).
(1-3) Error messages related to Operator Panel are displayed.
Check item Check work
Action to be taken
at NG
(1-3-1) Error message
Error message Check the error contents by referring to the Error
Message List.
Follow the
instruction.
(1-4) "RAM check in progress" or "Initializing" display is kept appearing.
Check item Check work
Action to be taken
at NG
(1-4-1) Operator Panel display freezes.
Operator Panel
display
"RAM check in progress" or "Initializing" display
is kept appearing.
Replace the
ROM DIMM of
CU, or replace
the CU/PU
board.
Remove the
optional RAM
and SD Memory
card. Then
perform the
check.
If the check
result shows
NG, replace the
CU/PU board.

Oki C711 Specifications

General

Brand	Oki
Model	C711
Category	Printer
Language	English