Humidity Sensor Error (Error Code 123) - Oki MC362w Maintenance Manual

Oki Data CONFIDENTIAL

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

(18-1) Humidity sensor error
Check item
(18-1-1) Check the system connection
Connection to the Check if the 16-conductor FFC is connected
CU/PU board and to the SSNS connector
to the toner sensor
board normally.
board
Check if the 16-conductor FFC is connected
to the SSNS connector
sensor board normally.
FFC connecting the Check for open-circuit with ZHJ.
CU/PU board and Check that peeling off of sheath does not
the toner sensor occur in any cables by visual inspection.
board
(18-1-2) Environment condition
Sharp change Is the environment condition changed
of environment sharply from a low temperature environment
condition to a high 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.)
44952001TH Rev.2
Checking method Action in case of NG
Re-connect the cable
of the CU/PU normally.
of the toner
Replace the FFC with
the normal FFC.
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.
7. TROUBLESHOOTING PROCEDURES
7-79