February 2002 © TOSHIBA TEC 2 - 1 FC-210/310 ADJUSTMENT
2.5 Image dimensional adjustment
Order Items Code in mode 05
1 2.5.1 Paper alignment (paper buckle) at the registration roller 439-452,492
2 2.5.2 Registration motor speed adjustment 406
3 (a) Reproduction ratio of primary-scanning direction 400
4 (b) Primary-scanning data laser writing start position 470
5 (c) Reproduction ratio of secondary-scanning direction 401
6 (d) Secondary-scanning laser writing start position 474
7 (a) Fine adjustment of fuser motor rotation speed* 402
(b) Fine adjustment of registration motor rotation speed* 410
8 (a) Image distortion –
9 (b) Image skewing –
10 (c) Reproduction ratio of primary-scanning direction 482
11 (d) Reproduction ratio of secondary-scanning direction 104
12 ( e)Image location of primary-scanning direction 106, 108
13 (f) Image location of secondary-scanning direction 105
14 ( g)Image trailing edge margin 4 28
Parts to be replaced
Developer material Processing unit (EPU) Transfer/transport unit
Drum Transfer belt unit (TBU)
Main charger wire
Main charger grid
2. ADJUSTMENTThe diagram below explains the main procedures for image related adjustment. When replacing
components which have other specified instructions for adjustment, those specified instructions
are to be obeyed in priority.
In the following diagram, the solid lines with arrow lead to essential adjustments, while the dotted
lines lead to adjustments to be performed if necessary.
Adjustment item Code in mode 05
2.2 Adjustment of the auto-toner sensor 200, 204, 221
Adjustment item Code in mode 05
2.3 Adjustment of image quality control/ 87 9
Automatic initialization of image
quality control
2.4 Adjustment of color registration control 4 07
2.5.3
Printer
related
adjustment
Adjustment item Code in mode 05
2.6.1 Automatic gamma adjustment 643
Image quality adjustment
Items
Code in mode 05
2.6.2 Density adjustment 550 - 589
2.6.3 Color balance adjustment 779 - 798
2.6.4 Offset amount for processing background 698 - 717
2.6.5 Judgment threshold for ACS 675
2.6.6 AI mode setting 678, 682
2.6.7 Sharpness adjustment 737 - 746
END
*“Fine adjustment of each fuser and registration
motor rotation speed” should be adjusted after
printer section related adjustment.
( Page. 4-64~68)
2.5.4
Scanner
related
adjustment