Minolta Di251f Service Manual page 157

.
Item
Symptom
No.
Received image
is stretched with
ADF
Received image
is shrunk too
much.
Cause
1 Printed image is exces-
sively stretched in the copy
mode?
Note:
The following causes may
be possible (improper docu-
ment handling): special
paper such as very thick
paper, non-carbon print
paper, carbon print paper.
2 Is an image from the service
center also stretched?
3 Any improvement after
replacing MFB2 board?
4 Is the contact of feed roller
gears OK?
5 Any paper dust on main roll-
ers or feed rollers?
1 Printed image is exces-
sively shrunk in the copy
mode?
2 Is an image from the service
center also shrunk?
3 Any improvement after
checking the reading unit?
4 Any improvement after
replacing MFB2 board?
T-10
Remedy
Go to item 2.
YES
Failure in remote terminal
(improper document han-
dling, error in the transmis-
sion unit of the remote
NO
terminal).
YES Go to item 3.
NO Go to item 5.
YES Replace MFB2 board.
NO Replace the PWB-A
YES Go to item 5.
Replace the feed roller gear
NO
unit.
YES Clean up rollers.
NO Replace the leaf spring.
YES Go to item 2.
Failure in the remote terminal
(improper document han-
NO dling, error in the transmis-
sion unit of the remote
terminal).
YES Go to item 4.
NO Go to item 3.
YES END
NO Go to item 4.
YES Replace MFB2 board.
NO Replace the PWB-A