Oki Data CONFIDENTIAL
45850101TH Rev.1
2-64
2. TROUBLESHOOTING PROCEDURES
2.5.5. (3-6) Paper size error (Error code: 400 and 401)
(3-6-1) Printing was stopped when paper ejected after paper size error detected.
Check item
Check work
Actions to be taken
at NG
(3-6-1-1) Check paper feed condition
Multi-feed of papers
Check whether multi-feed paper ejected or not.
If multi-feed
occurs again
after the open
and close the
front cover,
replace the
retard roller of
the tray in use.
Paper size
Does the paper size specified for print match the
paper size of paper stuck in the tray.
Change the
specified paper
size or size of
paper inside the
tray.
IN1 sensor, IN2
sensor
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the
sensor lever with
the good sensor
lever.
2.5.5.(4)
ID unit Up/Down error (Service call 142)
(4-1)
Error occurs during the Up movement of the ID unit
Check item
Check work
Actions to be taken
at NG
(4-1-1)
Check the mechanical load during the Up movement
Mechanical load
during installation
and removal of the
ID unit
Check if abnormal heavy load is applied when
removing the ID unit.
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.
Greasing to the right
and left Up/Down
link levers
Check if the slant surface of the link lever is
coated by grease or not.
Apply grease.
Assembled condition
of the right and left
Up/Down link levers
Check if any part exists or not in the vicinity of
link lever, that hampers movement of the link
lever.
Assemble them
correctly.
(4-1-2)
Up/Down mechanism
Assembled condition
of the peripheral
mechanism of the
link lever
Is the mechanism assembled so that the link
lever is connected to the planetary driving gear?
Assemble them
correctly.
Right and left link
levers
Check if the link lever is set in the correct
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.)
Assemble them
correctly.
