Id Unit Up/Down Error (Service Call 140 To 143); Error Occurs During The Up Movement Of The Id Unit; Error Occurs During The Down Movement Of The Id Unit - Oki C710 Maintenance Manual

Oki Data CONFIDENTIAL

7.5.2. (10) ID unit Up/Down error (Service call 140 to 143)

(10-1) Error occurs during the Up movement of the ID unit

Check item
(10-1-1) Check the mechanical load during the Up movement
Mechanical load Check if abnormal heavy load is applied when
during installation removing the ID unit.
and removal of the
ID unit
Greasing to the right Check if the slant surface of the link lever is
and left Up/Down coated by grease or not.
link levers
Assembled Check if any part exists or not in the vicinity of
condition of the right link lever, that hampers movement of the link
and left Up/Down lever.
link levers
(10-1-2) Up/Down mechanism
Assembled Is the mechanism assembled so that the link
condition of lever is connected to the planetary driving gear?
the peripheral
mechanism of the
link lever
Right and left link Check if the link lever is set in the correct
levers position that enables the specified engagement
of gears.
(Check if the link lever is set in the wrong
position that results in the wrong engagement of
gears by several teeth.)
43856301TH Rev.3
Action to be taken
Check work
at NG
IReplace the ID
unit, or replace
the right/left side
plate.
If any attempt
of using new
ID unit as a
trial is going
to be made,
be sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.
Apply grease.
Assemble them
correctly.
Assemble them
correctly.
Assemble them
correctly.
Check item
(10-1-3) Sensor check
Up/Down sensor Check if shape and movement of the sensor
lever (unified levers have any abnormality or not.
structure with the
left link lever)
Up/Down sensor Confirm that the sensor signals are normally
detected by using the SWITCH SCAN function
of the self-diagnostic mode.
Check if the SCAN state changes or not when
the incoming light is interrupted/passed by using
a piece of paper or the like for the transparent
type sensor.

(10-2) Error occurs during the Down movement of the ID unit

Check item
(10-2-1) Check the mechanical load during the Down movement
Mechanical load Check if abnormal heavy load is applied when
during installation removing the ID unit.
and removal of the
ID unit
Greasing to the right Check if the slant surface of the link lever is
and left Up/Down coated by grease or not.
link levers
Assembled Check if any part exists or not in the vicinity of
condition of the right link lever, that hampers movement of the link
and left Up/Down lever.
link levers
7. Troubleshooting and repair procedure
Action to be taken
Check work
at NG
Replace the left
link lever.
Replace the
high voltage
board.
Action to be taken
Check work
at NG
Replace the ID
unit, or replace
the right/left side
plate.
Apply grease.
Assemble them
correctly.
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