2KJ/2KH
2-4-5
Chart of image adjustment procedures
Adjusting
order
Item Image Description
Maintenance mode
Original Page Remarks
Item No. Mode
1
Adjusting the magnification in the
main scanning direction (printing
adjustment)
Polygon motor speed adjustment U053 POLY U053 test pattern P.1-3-16
2
Adjusting the magnification in the
auxiliary scanning direction (print-
ing adjustment)
Drive motor speed adjustment U053 MAIN U053 test pattern P.1-3-16
3
Adjusting the center line of the MP
tray (printing adjustment)
Adjusting the LSU print start timing U034 LSU BYP U034 test pattern P.1-3-13
4
Adjusting the center line of the cas-
settes (printing adjustment)
Adjusting the LSU print start timing U034 LSU OUT U034 test pattern P.1-3-13 First paper feeder: select LSU T1
Second paper feeder: select LSU T2
Third paper feeder: select LSU T3
Duplex copying: select LSU DUP
5
Adjusting the leading edge registra-
tion of the MP tray (printing adjust-
ment)
Registration clutch turning on timing
(secondary paper feed start timing)
U034
RCL BYP
U034 test pattern P.1-3-12
6
Adjusting the leading edge registra-
tion of the cassettes (printing
adjustment)
Registration clutch turning on timing
(secondary paper feed start timing)
U034 RCL ON U034 test pattern P.1-3-12 First paper feeder: select RCL T1
Second paper feeder: select RCL T2
Third paper feeder: select RCL T3
Duplex copying: select RCL DUP
7
Adjusting the leading edge margin
(printing adjustment)
LSU illumination start timing U402 LESD U402 test pattern P.1-3-53
8
Adjusting the trailing edge margin
(printing adjustment)
LSU illumination end timing U402 TRAIL U402 test pattern P.1-3-53
9
Adjusting the left and right margins
(printing adjustment)
LSU illumination start/end timing U402 AC U402 test pattern P.1-3-53
10
Adjusting magnification of the
scanner in the main scanning direc-
tion (scanning adjustment)
Data processing U065 MAIN SCAN ADJ Test chart P.1-3-18 No adjustment for copying using the DP.