The Leading Edge Of The Image Is Consistently Misaligned With The Original - Kyocera ECOSYS M3040dn Service Manual

(11) The leading edge of the image is consistently misaligned with the original.

Print example
1. Table scanning
Defective part
Original document
1
Secures the lamp
unit
2
Adjustment of the
scanner
3
Home position sen-
4
sor
Drive belt
5
Scanner drive pul-
6
ley
2. DP-scanning
Defective part
Adjustment of the
scanner
1
Original conveying
roller
2
DP drive motor
3
Check description
Check if the original document is
loaded correctly on the contact
glass.
Confirm the oriention of the
bracket that secures the drive
belt and the lamp unit.
Check the scanning adjustment
of the scanner.
Check the location the home
position sensor is mounted.
Check if the tension of the drive
belt is insufficient.
Check if the scanner drive pulley
is loosely fixed.
Check description
Check the scanning adjustment
of DP scanning.
Check if the conveyer roller is
contaminated or worn.
Check whether the DP drive
motor is fluctuated in rotation.
If the original document is not properly placed
on the contact glass, place it correctly.
If the bracket that fixes the drive belt and the
lamp unit is misaligned, align the bracket
properly.
1. Perform maintenance mode U066, Front.
(see page 1-3-29)
2. Perform maintenance mode U411,
table(Chart1)_Input. (see page 1-3-54)
Re-mount the home position sensor if it is
hanged off.
If the tension of the drive belt is insufficient,
tense the belt.
If the scanner drive pulley is loosely fixed,
secure the screws.
1. Perform maintenance mode U071, CCD
Head. (see page 1-3-33)
2. Perform maintenance mode U411,
FaceUp(Chart2)_Input. (see page 1-3-54)
If the conveying roller is dirty, clean the con-
veying roller and its axles.If the roller is worn
out, replace.
If the DP motor is fluctuated in rotation, apply
grease with the drive gear. If no improvement
is observed, replace the motor.
1-4-63
2NM/2NX/2NY/2NZ/2P0/2P6
Corrective Action
Corrective Action