Adjustment - Toshiba e-STUDIO205L Service Handbook

3.

ADJUSTMENT

3.1 Adjustment Order
This chapter mainly explains the 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.
Developer material
Item to be adjusted
3.2 Adjustment of the auto-toner sensor
Order
1
3.3.2
2 3.3.3
Printer
3
related
4
adjustment
5
6
7 3.3.4
8 Scanner
related
adjustment
9
10
11
12
13
14
Item to be adjusted
3.4.1 Automatic gamma adjustment
END
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Parts to be replaced
Photoconductive drum
Transfer roller
Main charger grid
Code in mode 05
3.3 Image dimensional adjustment
Items
Paper alignment at the registration roller .
[A] Reproduction ratio of primary scanning direction
[B] Primary scanning data laser writing start position
[C] Reproduction ratio of secondary scanning direction
[D] Secondary scanning data laser writing start position
[E] Primary scanning data laser writing start position at
duplexing
[A] Image distortion
[B]
Reproduction ratio adjustment of the primary
scanning direction
[C]
Image position adjustment of the primary scanning
direction
[D]
Reproduction ratio adjustment of the secondary
scanning direction
[E] Image position adjustment of the secondary
scanning direction
[F]
Top margin
[G]
Right margin
[H] Bottom margin
Code in mode 05
Adjust the image quality if necessary.
Fig. 3-1
3 - 1
Laser optical unit
Drum cleaning blade
200
Code in mode 05
448, 449, 450, 452,
455, 457, 458, 460,
461, 462, 463, 469,
470, 471, 472, 473,
474
440, 441, 442, 443,
444, 445
580
( Chapter 3.3, 3.4, 3.5, 3.6, 3.7 )
e-STUDIO205L/255/305/355/455
401
411
421
498
308
405
306
340
305
430
432
433
ADJUSTMENT
3