2NP
2-4-19
(7) Chart of image adjustment procedures
Adjusting
order
Item
Image
Description
Maintenance mode
Original
Page
Remarks
Item No.
Mode
1
Adjusting the magnification in the
auxiliary scanning direction
(printing adjustment)
Drive motor speed adjustment
U053
DRUM
U053 test pattern
2
Adjusting the center line of the MP
tray
(printing adjustment)
Adjusting the LSU print start timing
U034
LSU OUT LEFT /MPT
LSU OUT LEFT /
DUPLEX
U034 test pattern
To make an adjustment for duplex copying, select
LSU OUT LEFT /DUPLEX.
3
Adjusting the center line of the cas-
settes
(printing adjustment)
Adjusting the LSU print start timing
U034
LSU OUT LEFT /
CASSETTE
U034 test pattern
4
Adjusting the leading edge registra-
tion of the MP tray
(printing adjustment)
Registration motor turning on timing
(secondary paper feed start timing)
U034
LSU OUT TOP /MPT
LSU OUT TOP /
DUPLEX
U034 test pattern
To make an adjustment for duplex copying, select
LSU OUT TOP /DUPLEX.
PAPER WIDTH 218mm or more
5
Adjusting the leading edge registra-
tion of the cassette
(printing adjustment)
Registration motor turning on timing
(secondary paper feed start timing)
U034
LSU OUT TOP /
CASSETTE
U034 test pattern
PAPER WIDTH 218mm or more
6
Adjusting the leading edge margin
(printing adjustment)
LSU illumination start timing
U402
LEAD
U402 test pattern
7
Adjusting the trailing edge margin
(printing adjustment)
LSU illumination end timing
U402
TRAIL
U402 test pattern
8
Adjusting the left and right margins
(printing adjustment)
LSU illumination start/end timing
U402
A MARGIN
C MARGIN
U402 test pattern
9
Adjusting magnification of the
scanner in the main scanning direc-
tion
(scanning adjustment)
Data processing
U065
U070
MAIN SCAN
MAIN SCAN(CIS)
Test chart
U065: For copying an original placed on the platen.
U070: For copying originals from the DP.
10
Adjusting magnification of the
scanner in the auxiliary scanning
direction
(scanning adjustment)
Original scanning speed
U065
U070
SUB SCAN
SUB SCAN (F)
SUB SCAN (B)
SUB SCAN (CIS)
Test chart
U065: For copying an original placed on the platen.
U070: For copying originals from the DP.
To make an adjustment for second side: select SUB
SCAN(B) :Mechanism reversal model
To make an adjustment for second side: select SUB
SCAN(B) :Double-sided simultaneous reading model
Содержание TASKalfa 2551ci
Страница 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
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Страница 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
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Страница 496: ...2NP 2 1 21 Figure 2 1 25 Duplex conveying section block diagram EPWB DU_SW DU_CL_REM YC25 3 YC24 3 DUCL DUS ...
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