Dimensional Adjustment Of Copied Image; Overview - Toshiba DP4500 Service Handbook

2.3 Dimensional Adjustment of Copied Image

2.3.1 Overview

The followings are the items in the copy image dimensional adjustment mode.
The adjustment must be performed in the following order.
(1) Paper alignment
a) Reproduction ratio of primary scanning direction
(Fine adjustment of polygonal motor rotation speed)
b) Image position of primary scanning direction
(Laser writing start position)
c) Reproduction ratio of secondary scanning direction
(Fine adjustment of main motor rotation speed)
d) Image position of secondary scanning direction
(Laser writing start position)
e) Image position of primary scanning direction during
duplex copying (Laser writing start position)
a) Image distortion
b) Reproduction ratio of primary scanning direction
(Fine adjustment of polygonal motor rotation speed/PPC)
c) Image position of primary scanning direction
(Deviation correction of the scanner primary scanning
start position)
d) Reproduction ratio of secondary scanning direction
e) Image position of secondary scanning direction
(Deviation correction of the scanner secondary
scanning start position)
f) Top margin
g) Right margin
h) Bottom margin
DP4500/3500 ADJUSTMENT
Items to adjust
(441) (440) (443) (444) (445) (442)
2 - 4 December 2000 © TOSHIBA TEC
Code
(450) (452) (448) (449)
(455) (457) (458)
(401)
(411) (410)
(421)
(498)
–
(405)
(306)
(340)
(305)
(430)
(432)
(433)