Paper Size Error (Error Code 400); Jam Occurs When Paper End Is Located Near The In1 Sensor; Id Unit Up/Down Error (Service Call 142); Error Occurs During The Up Movement Of The Id Unit - Oki MC561 Maintenance Manual

Oki Data CONFIDENTIAL

7.5.4. (9) Paper size error (error code 400)

(9-1) Jam occurs when paper end is located near the IN1 sensor.

Check item
(9-1-1) Check paper feed condition
Multifeed of papers Open the front cover and check if multifeed of
papers occurs or not.
Paper size Does the paper size specified for print match the
paper size of paper stuck in the tray.
Hopping sensor Check if shape and movement of the sensor
levers have any abnormality or not.
44473001TH Rev.1
Check operation Actions for NG
results
If the multifeed
occurs again
after the
jammed paper
is removed,
replace the flap
of the tray in
use.
Change the
specified paper
size or size of
paper inside
the tray.
Replace the
sensor lever
with the good
sensor lever.

7.5.4. (10) ID unit Up/Down error (Service call 142)

(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 Check if the slant surface of the link lever is
right and left Up/ coated by grease or not.
Down link levers
Assembled Check if any part exists or not in the vicinity of
condition of the link lever, that hampers movement of the link
right and left Up/ lever.
Down link levers
(10-1-2) Up/Down mechanism
Assembled Is the mechanism assembled so that the link
condition of lever is connected to the driving gear?
the peripheral
mechanism of the
link lever
Right and left link Check if the link lever is set in the correct position
levers 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.)
7. TROUBLESHOOTING PROCEDURES
Check operation Actions for NG
results
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.
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