Error Caused By The Defective Mechanism; Humidity Sensor Error (Service Call 123) - Oki C911 Maintenance Manual

Oki Data CONFIDENTIAL
(18-2)

Error caused by the defective mechanism

Check item
(18-2-1) Mechanical load applied to the ID unit
ID unit Check if a heavy mechanical load is being
applied to the ID unit due to breakage of the
waster toner belt, or not.
(18-2-2) Motor operating condition
ID motor Confirm that the respective ID motors work
normally or not by using the Motor & Clutch
Test of the self-diagnostic mode.
Check if any extra load exists or not.
45530603TH Rev.2
Actions to be taken
Check work
at NG
Replace the ID
unit.
To use a new
ID unit for a
try, be sure to
use New Parts
Keep Mode
of the System
Maintenance
menu.
Replace the
PU/CU PCB or
the ID motor.

4.5.2.(19) Humidity sensor error (Service call 123)

(19-1) Humidity sensor error
Check item
(19-1-1) Check the system connection
Connection Check if the FFC is connected to the ENV
between the printer connector of the printer engine control PCB
control PCB and properly.
the environmental Check if the FFC is connected to the
sensor board environment sensor board properly.
Check the connectors for half-way connection
or angled connection.
FFC connecting the Check for open-circuit with VOM.
PU/CU PCB and Visually check that the sheath for peeling.
the environment
sensor board
4. TROUBLESHOOTING PROCEDURE
Actions to be taken
Check work
at NG
Re-connect the
cable normally.
Replace with a
normal FFC.
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