Image Is Blurred - Kyocera ECOSYS M3040dn Service Manual

(10) Image is blurred.

Print example
1. Table scanning
Defective part
Rail
1
Lamp unit
2
Scanner drive belt
3
Drive belt
4
2. DP-scanning
Defective part
DP conveying pul-
ley
1
Install DP
2
DP hinge
3
DP document mat
4
Original document
5
Scanning guide
6
Check description
Check that the carriage is
smoothly operative.
Check that the carriage is
smoothly operative.
Confirm that a foreign object
exists between the drive belt and
the scanner drive pulleys.
Confirm that the drive belt has a
foreign object sticked or has a
scuff.
Check description
Check that the conveying pulley
is smoothly operative.
Check how DP is mounted on
the main unit.
Check that the DP hinge is
operative in both ascending and
descending directions and kept
open.
Check the location the document
mat of the DP is mounted.
Check that the leading edge of
the original document is dog-
eared.
Check if the scanning guide is
distorted.
If the carriage does not travel smoothly,
remove foreign objects on the front and back
optical rails.
If the carriage does not travel smoothly
because the lamp unit contacts with the frame,
rectify.
If a foreign object exists, remove.
If a foreign object exists on the drive belt,
remove the foreign object. Or, if it is damaged,
replace.
If the conveying pulley does not rotate
smoothly, re-asslemble the conveying roller
and springs.
If mounting to the main unit is improper, check
positioning and secure the screws.
If the DP is not operative smoothly or is not
held stably open, replace the hinges.
Re-mount the document mat of the DP if it is
hanged off.
If the leading edge of the original documet is
dog-eared, straighten.
If the scanning guide deformed, replace.
1-4-61
2NM/2NX/2NY/2NZ/2P0/2P6
Corrective Action
Corrective Action