Oki MC562w Maintenance Manual

44952001TH Rev.2
7-79
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.5. (18) Humidity sensor error (error code 123)
(18-1) Humidity sensor error
Check item Checking method Action in case of NG
(18-1-1) Check the system connection
Connection to the
CU/PU board and
to the toner sensor
board
Check if the 16-conductor FFC is connected
to the SSNS connector
of the CU/PU
board normally.
Check if the 16-conductor FFC is connected
to the SSNS connector
of the toner
sensor board normally.
Re-connect the cable
normally.
FFC connecting the
CU/PU board and
the toner sensor
board
Check for open-circuit with ZHJ.
Check that peeling off of sheath does not
occur in any cables by visual inspection.
Replace the FFC with
the normal FFC.
(18-1-2) Environment condition
Sharp change
of environment
condition
Is the environment condition changed
sharply from a low temperature environment
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.)
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.

Oki MC562w Specifications

General

Brand	Oki
Model	MC562w
Category	All in One Printer
Language	English