Humidity Sensor Error (Error Code 123); Humidity Sensor Error - Oki C310dn 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 to the Check if the 16-conductor FFC is connected
CU/PU board and to the SSNS connector
to the toner sensor normally.
board Check if the 16-conductor FFC is connected
to the SSNS connector
board normally.
FFC connecting the Check for open-circuit with VOM.
Check that peeling off of sheath does not occur
CU/PU board and
in any cables by visual inspection.
the toner sensor
board
44346001TH Rev.1
Check operation Actions for NG
results
Re-connect the
cable normally.
of the CU/PU board
of the toner sensor
Replace the
FFC with the
normal FFC.
Check item Check operation
(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
Actions for NG
results
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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