Service manual

2DA/2DB
2-4-6
Item Image Description
Item No.
Display
Original Page Remarks
Maintenance mode
Adjust-
ing
order
!
@
$
#
%
^
Data processingAdjusting magnification of
the scanner in the main
scanning direction
(scanning adjustment)
MAIN SCAN
ADJ
No adjustment for copying using
the DP.
1-6-33U065 Test chart
Original scanning speedAdjusting magnification of
the scanner in the auxiliary
scanning direction
(scanning adjustment)
SUB SCAN
ADJ
U065: For copying an original
placed on the contact glass.
U070: For copying originals from
the DP.
1-6-34
1-4-16
U065
U070
Test chart
Original scan start timingAdjusting the leading edge
registration (scanning ad-
justment)
–––
–––
U066: For copying an original
placed on the contact glass.
U071: For copying originals from
the DP.
1-6-35
1-4-17
U066
U071
Test chart
Adjusting the center line
(scanning adjustment)
–––
–––
U067: For copying an original
placed on the contact glass.
U072: For copying originals from
the DP.
1-6-36
1-4-18
U067
U072
Test chart
Adjusting the original scan data (image
adjustment)
Adjusting the original scan data (image
adjustment)
Adjusting the leading edge
margin (scanning adjust-
ment)
B MARGIN
B MARGIN
U403: For copying an original
placed on the contact glass.
U404: For copying originals from
the DP.
1-6-37
1-4-44
U403
U404
Test chart
Adjusting the original scan data (image
adjustment)
Adjusting the trailing edge
margin (scanning adjust-
ment)
D MARGIN
D MARGIN
U403: For copying an original
placed on the contact glass.
U404: For copying originals from
the DP.
1-6-37
1-4-44
U403
U404
Test chart
9
LSU illumination start/end timingAdjusting the left and right
margins (printing adjust-
ment)
AC 1-6-20U402 U402 test
pattern
0
Adjusting the original scan data (image
adjustment)
Adjusting the left and right
margins (scanning adjust-
ment)
A/C MARGIN
A/C MARGIN
U403: For copying an original
placed on the contact glass.
U404: For copying originals from
the DP.
1-6-37
1-4-44
U403
U404
Test chart