2KN/2KP
2-4-11
Chart of image adjustment procedures
Adjusting
order
Item Image Description
Maintenance mode
Original Page Remarks
Item No. Mode
1
Adjusting the lateral squareness (print-
ing adjustment)
Adjusting the position of the laser scanner
unit (printing adjustment)
U089
(1 dot-LINE)
P.1-5-42
2
Adjusting the magnification in the main
scanning direction (printing adjustment)
Polygon motor speed adjustment U053 POLYGON MOTOR U053 test pattern P.1-3-20
3
Adjusting the magnification in the auxil-
iary scanning direction (printing adjust-
ment)
Drive motor speed adjustment U053 MAIN MOTOR U053 test pattern P.1-3-20
4
Adjusting the center line (printing
adjustment)
Adjusting the LSU print start timing U034 LSUOUT U034 test pattern P.1-3-15 To make an adjustment for duplex copying, select LSUOUT (DUP).
5
Adjusting the center line of the cas-
settes (printing adjustment)
Adjusting the position of cassette 1 or 2 U034 LSUOUT U034 test pattern P.1-3-15 Adjusts the position of each paper source.
6
Adjusting the leading edge registration
(printing adjustment)
Registration motor turning on timing (sec-
ondary paper feed start timing)
U034 RCL ON L
RCL ON S
U034 test pattern P.1-3-15 To make an adjustment for duplex copying, select RCL ON (DUP)
L/RCL ON (DUP) S.
7
Adjusting the leading edge margin
(printing adjustment)
LSU illumination start timing U402 LEAD U402 test pattern P.1-3-79
8
Adjusting the trailing edge margin
(printing adjustment)
LSU illumination end timing U402 TRAIL U402 test patter P.1-3-79 To make an adjustment for duplex copying, select TRAIL (DUP).
9
Adjusting the left and right margins
(printing adjustment)
LSU illumination start/end timing U402 A/C U402 test pattern P.1-3-79
10
Adjusting the lateral squareness (scan-
ning adjustment)
Adjusting the position of the ISU (scan-
ning adjustment)
Test chart P.1-5-43
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