2HA/2HB
2-4-8
Chart of image adjustment procedures
Adjusting
order
Item Image Description
Maintenance mode
Original Page Remarks
Item No. Exposure indicator
Adjusting the magnification in the
main scanning direction (printing
adjustment)
Polygon motor speed adjustment U053 Exp.2 (light) U053 test pattern P.1-3-16
Adjusting the magnification in the
auxiliary scanning direction (print-
ing adjustment)
Drive motor speed adjustment U053 Exp.1 (light) U053 test pattern P.1-3-16
Adjusting the center line of the MP
tray (printing adjustment)
Adjusting the LSU print start timing U034 Exp.2 (light) U034 test pattern P.1-3-13
Adjusting the center line of the
drawers (printing adjustment)
Adjusting the LSU print start timing U034 Exp.1 (light) U034 test pattern P.1-3-13 To make an adjustment for duplex copying, select
"exp.1 (flashing)".
Adjusting the leading edge registra-
tion of the MP tray (printing adjust-
ment)
Registration motor turning on timing (sec-
ondary paper feed start timing)
U034 Exp.2 (light) U034 test pattern P.1-3-12
Adjusting the leading edge registra-
tion of the drawer (printing adjust-
ment)
Registration motor turning on timing (sec-
ondary paper feed start timing)
U034 Exp.1 (light) U034 test pattern P.1-3-12 To make an adjustment for duplex copying, select
"exp.1 (flashing)".
Adjusting the leading edge margin
(printing adjustment)
LSU illumination start timing U402 Exp.1 (light) U402 test pattern P.1-3-45
Adjusting the trailing edge margin
(printing adjustment)
LSU illumination start timing U402 Exp.3 (light) U402 test pattern P.1-3-45
Adjusting the left and right margins
(printing adjustment)
LSU illumination start/end timing U402 Exp.2 (light) U402 test pattern P.1-3-45
Adjusting magnification of the
scanner in the main scanning direc-
tion (scanning adjustment)
Data processing U065 Exp.1 (light) Test chart P.1-3-18 No adjustment for copying using the DP.
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