Oki C3400n, Руководство по обслуживанию

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Oki Data CONFIDENTIAL
43163501TH Rev. 1
158 /
7.5.2.(15) Dew Condensation Errors (Error 123)
(15-1) Dew Condensation
Connection of main board
(BLA PCB) and high-voltage
board
Connection of main board
(BLA PCB) and high-voltage
board
Extreme change of
environment condition
Confirmation Tasks
Check whether 12-pole FFC is normally connected with the
HVOLT connector of main board (BLA PCB).
Check whether 12-pole FFC is normally connected with the CN1
connector of high-voltage board.
Check whether incompletely connection and oblique insertion
occurs.
Check the wire-break by tester. By visual inspection, check
whether peeling off of coating occurs.
Is environment temperature changed from low to high in a short
time?
(For example, move from cold storage area to office
environment.)
Action at NG
Reinsert the cable
normally.
Replace FFC with a
new one.
After moving the printer
to the new environment
for about one hour till it
adapts to new
environment, turn on
the printer again.
Before turning on the
printer, please check
the temperature of
sheet metal of rear
control panel and inner
sheet metal by hand
and check that the
difference between the
above and room
temperature doesn’t
exist, then turn on
again.
(15-1-1) Check of the connection
(15-1-2) Environment condition
Confirmation Items