Copystar CS-1620, Service Manual

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2C9
2-4-5
Chart of imag
e adjus
tment proce
dures
Item
Image
Description
Item No.
Exposure indicator
Original
Page
Remarks
Maintenance mode
Adjust-
ing
order
1 2 4 5 6 7 8 3
Drive motor speed adjustment
Adjusting the magnification in the auxiliary scanning di
-
rection (printing adjustment)
Exp.1 (light)
1-4-10
U053
U053 test pattern
LSU illumination start timing
Adjusting the leading edge margin (printing adjustment)
Exp.1 (light)
1-6-15
U402
U402 test pattern
LSU illumination end timing
Adjusting the trailing edge margin (printing adjustment)
Exp.3 (light)
1-6-15
U402
U402 test pattern
Polygon motor speed adjustment
Adjusting the magnification in the main scanning di
-
rection (printing adjustment)
Exp.2 (light)
1-4-10
U053
U053 test pattern
Adjusting the LSU print start timing
Adjusting the center line of the bypass tray (printing adjustment)
Exp.2 (light)
1-6-14
U034
U034 test pattern
Registration motor turning on timing (sec
on
dary paper feed start timing)
Adjusting the leading edge registration of the drawer (printing adjust
ment)
Exp.1 (light)
To make an adjustment for duplex copying, select “exp.1 (flashing)”.
1-6-12
U034
U034 test pattern
Adjusting the center line of the drawers (printing adjust
-
ment)
Exp.1 (light)
1-6-14
U034
U034 test pattern
Adjusting the LSU print start timing
To make an adjustment for duplex copying, select “exp.1 (flashing)”.
Registration motor turning on timing (sec
on
dary paper feed start timing)
Adjusting the leading edge registration of the bypass tray (printing adjust
ment)
Exp.2 (light)
1-6-12
U034
U034 test pattern