18) Humidity Sensor Error (Error Code 123); Humidity Sensor Error (Error Code 123); Humidity Sensor Error - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL

7.5.2.(18) Humidity sensor error (error code 123)

(18-1) Humidity sensor error

Check item
(18-1-1) Check the system connection
Connection between Check if the 10-conductor FFC is connected to
the PU board and the OPE connector
Operator Panel or not.
Check if the 10-conductor FFC is connected
to the CN1 connector
board normally or not.
Check if the connector is connected in the half-
way only or not, and check if the connector is
inserted in a slanted angle or not.
FFC connecting Check for open-circuit with vOM.
the PU board and Check that peeling off of sheath does not occur
the Operator Panel in any cables by visual inspection.
board
44015503TH Rev. 1
Action to be taken
Check work
at NG
Re-connect the
of the PU board normally cable normally.
of the Operator Panel
Replace the
FFC with the
normal FFC.
Check item
(18-1-2) Environment condition
Sharp change Is the environment condition changed sharply
of environment from a low temperature environment to a high
condition environment condition within a short time?
(Example is such a case that a printer is moved
from storage condition of a cold area in winter to
an office environment.)
7. TROUBLESHOOTING PROCEDURE
Action to be taken
Check work
at NG
Leave a printer
for around one
hour in the new
environment
to get used
to the new
environment.
After that, turn
on the power
again.
Before turn
on the power,
touch the metal
panel of the
controller panel
and the metal
plate inside a
printer to feel
temperature
increase
inside a printer
with human
hands. After
confirmation
that the printer
temperature has
increased close
to the room
temperature,
turn on the
power again.
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