2NP
2-4-20
When maintenance item U411 (Automatic adjustment in the scanner) is run using the specified original (P/N
AVGR14938B
)
the following adjustments are automatically made:
Adjusting the scanner magnification (U065)
Adjusting the scanner leading edge registration (U066)
Adjusting the scanner center line (U067)
When maintenance item U411 (Automatic adjustment in the DP) is run using the specified original (P/N
AVGR14938B
)
the following adjustments are automatically made:
* : When running this test chart, you first must clean the feed rollers with alcohol and ensure the DP width guides
are correctly positioned against the original.
Adjusting the DP magnification (U070)
Adjusting the DP leading edge registration (U071)
Adjusting the DP center line (U072)
11
Adjusting the center line
(scanning adjustment)
Adjusting the original scan data
(image adjustment)
U067
U072
FRONT
ROTATE
FRONT
BACK
CIS
Test chart
U067: For copying an original placed on the platen.
To make an adjustment for rotate copying, select
ROTATE.
U072: For copying originals from the DP.
To make an adjustment for duplex copying, select
BACK. :Mechanism reversal model
To make an adjustment for duplex copying, select
CIS. :Double-sided simultaneous reading model
12
Adjusting the leading edge registra-
tion
(scanning adjustment)
Original scan start timing
U066
U071
FRONT
ROTATE
FRONT HEAD
BACK HEAD
CIS HEAD
Test chart
U066: For copying an original placed on the platen.
To make an adjustment for rotate copying, select
ROTATE.
U071: For copying originals from the DP.
To make an adjustment for duplex copying, select
BACK HEAD. :Mechanism reversal model
To make an adjustment for duplex copying, select
CIS HEAD. :Double-sided simultaneous reading
model
13
Adjusting the leading edge margin
(scanning adjustment)
Adjusting the original scan data
(image adjustment)
U403
U404
B MARGIN
B MARGIN
Test chart
U403: For copying an original placed on the contact
glass
U404: For copying originals from the DP.
14
Adjusting the trailing edge margin
(scanning adjustment)
Adjusting the original scan data
(image adjustment)
U403
U404
D MARGIN
D MARGIN
Test chart
U403: For copying an original placed on the contact
glass
U404: For copying originals from the DP.
15
Adjusting the left and right margins
(scanning adjustment)
Adjusting the original scan data
(image adjustment)
U403
U404
A MARGIN
C MARGIN
A MARGIN
C MARGIN
Test chart
U403: For copying an original placed on
the contact glass
U404: For copying originals from the DP.
Adjusting
order
Item
Image
Description
Maintenance mode
Original
Page
Remarks
Item No.
Mode
Image quality
Item
Specifications
100% magnification
Enlargement/reduction
Lateral squareness
Leading edge registration
Skewed paper feed
(left-right difference)
Lateral image shifting
Machine: ±0.8%
Using DP: ±1.5%
Machine: ±1.0%
Using DP: ±1.5%
Machine: ±1.5 mm/375 mm
Using DP: ±3.0 mm/375 mm
Cassette: ±2.5 mm
MP tray: ±2.5 mm
Duplex: ±2.5 mm
Cassette: 1.5 mm or less
MP tray: 1.5 mm or less
Duplex: 2.0 mm or less
Cassette: ±2.0 mm
MP tray: ±2.0 mm
Duplex: ±3.0 mm
Summary of Contents for d-Color MF2552 plus
Page 1: ...SERVICE MANUAL Multifuction Digital Copier d Color MF2552 plus Code Y116141 8...
Page 4: ......
Page 10: ...This page is intentionally left blank...
Page 24: ...Y116141 8 Service Manual...
Page 86: ...2NP 1 1 2 62 This page is intentionally left blank Y116141 8 Service Manual...
Page 298: ...2NP 1 3 212 This page is intentionally left blank Y116141 8 Service Manual...
Page 458: ...2NP 1 5 56 This page is intentionally left blank Y116141 8 Service Manual...
Page 482: ...2NP 2 1 22 This page is intentionally left blank Y116141 8 Service Manual...
Page 540: ...2NP 2 3 48 This page is intentionally left blank Y116141 8 Service Manual...
Page 569: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide...
Page 605: ...DP 773 Document processor Installation Guide...
Page 631: ...PF 791 500 x 2 Paper feeder Installation Guide...
Page 639: ...PF 810 3000 sheets deck Installation Guide...
Page 652: ...DF 770 D Document finisher Installation Guide...
Page 670: ...AK 740 Bridge unit Installation Guide...
Page 672: ...PH 7A C D Punch unit Installation Guide...
Page 693: ...DT 730 B Document tray Installation Guide...
Page 695: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8...
Page 696: ...FAX System W B Installation Guide...