Toshiba E-Studio 5540c - Setting Adjustment; Image Related Adjustment; Adjustment Order

6
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SETTING ADJUSTMENT
6 - 1
6. SETTING ADJUSTMENT
6.1 Image Related Adjustment
6.1.1 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.
Fig.6-1

4402, 4058, 4059, 4060, 4061,
4062, 4560
2
3
4
1
7
8
9
10
11
12
13
14
5
6
4772
4006
4526
(a) Image distortion
(b) Reproduction ratio of primary scanning direction
(c) Image location of primary scanning direction
(d) Reproduction ratio of secondary scanning direction
(e) Image location of secondary scanning direction
(f) Top margin
(g) Right margin
(h) Bottom margin
–
4773
3030
3032
3031
4050
4052
4053
4019
(b) Primary scanning data laser writing start position
(c) Reproduction ratio of secondary scanning direction
(a) Reproduction ratio of primary scanning direction
(d) Secondary scanning data laser writing start position
(e) Primary scanning data laser writing start position at
duplexing
2742
Item to be adjusted
6.1.3 Adjustment of image quality control /
Forced performing of image quality closed-loop control
Code in mode 05
Item to be adjusted Code in mode 05
6.1.2 Adjustment of the auto-toner sensor 2400, 2401, 2402, 2403, 2404, 2406
Developer material
Image quality sensor
Needle electrode
Transfer belt
Image position aligning sensor
Drum cleaning blade
Laser optical unit
1st transfer roller
Main charger grid
Photoconductive drum
6.1.5 Image dimensional adjustment
Items
Code in mode 05
6.1.6 .Paper alignment at the registration roller
Order
6.1.8
Scanner
related
adjustment
6.1.7
Printer
related
adjustment
Adjust the image quality if necessary.
(
Chapter 6.2, 6.3, 6.4, 6.5
)
END
Code in mode 05
7869,
(
7871, 7165*
)
8008, 8004 - 0 to 8
Item to be adjusted
6.2.1 Automatic gamma adjustment
(
PPC
)
6.3.1 Automatic gamma adjustment
(
PRT, 600dpi)
Parts to be replaced
Item to be adjusted Code in mode 05
6.1.4 Adjustment of color registration control 4719
4119, 4100, 4101, 4103, 4104,
4105, 4106, 4107, 4108, 4109,
4110, 4111, 4115, 4116, 4117,
4118, 4120, 4122, 4123, 4124,
4125, 4126, 4127, 4128, 4129,
4580, 4581, 4582, 4583, 4584,
4585, 4586, 4587, 4588, 4589,
4590, 4591, 4592, 4593, 4600,
4601, 4602, 4603, 4604, 4605,
4606, 4607, 4608, 4609, 4610,
4611, 4612, 4613, 4615
6.3.1 Automatic gamma adjustment
(
PRT, 1200dpi)
8009, 8005 - 0 to 8
*. e-STUDIO5540C/6540C/6550C only