Setting / Adjustment - Toshiba e-STUDIO 2555C Service Manual
Multifunctional digital color systems
Hide thumbs
Also See for e-STUDIO 2555C:
- Troubleshooting manual (136 pages) ,
- Copying manual (228 pages) ,
- Safety information manual (32 pages)
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.
Developer material
Item to be adjusted
6.1.2 Adjustment of the auto-
toner sensor(*2)
Item to be adjusted
6.1.3 Adjustment of image quality control /
Forced performing of image quality closed-loop control
Item to be adjusted
6.1.4 Adjustment of color registration control
Order
6.1.6 Paper alignment at the registration roller
1
2
6.1.7
3
Image
dimensional
4
adjustment
at the
5
printing
section
6
6.1.8
7
Image
8
dimensional
9
adjustment
at the
10
scanning
11
section
12
6.1.9 Image
13
dimensional
adjustment
in the copy/
14
printer/fax
function
Item to be adjusted
6.2.1 Automatic gamma adjustment (PPC)
6.3.1 Automatic gamma adjustment (PRT)
*1: There is no need to perform counter clear.
*2: Adjust only the color changed.
END
*3: When upgrading firmware, perform the adjustment from 05-2742.
*4: Use [4] + [FAX] test pattern.
*5: For 600 dpi. Use [70] + [FAX] test pattern.
*6: For 1200 dpi. Use [230] + [FAX] test pattern.
*7: Adjustment can be done only for enlarging image.
© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
Parts to be replaced
Photoconductive drum
Drum cleaning blade
1st transfer roller(*1)
Image position aligning
sensor(*1)
Main charger grid
Code in mode 05
2400 (Y,M,C,K), 2401 (Yellow)
2402 (Magenta), 2403 (Cyan)
2404 (Black), 2406 (Y,M,C)
6.1.6 Image dimensional adjustment
Items
(a) Primary scanning data writing start position
(b) Reproduction ratio of secondary scanning direction
(c) Secondary scanning data writing start position
(d) Primary scanning data writing start position at
duplexing
(a) Image distortion
(b) Image location of primary scanning direction
(c) Reproduction ratio of secondary scanning direction
(d) Image location of secondary scanning direction
(e) Top margin
(f ) Right margin
(g) Bottom margin
(h) Reproduction ratio adjustment of primary
scanning direction (PPC)
(i) Reproduction ratio adjustment of primary
scanning direction (PRT/FAX)
Code in mode 05
7869 (*4), 7871-0, 2 to 10
8008 (*5), 8004-0, 2 to 10, 8009 (*6), 8005-0, 2 to 10 (*6)
Adjust the image quality if necessary.
Fig.6-1
6 - 1
Transfer belt(*1)
LED head(*1)
Needle electrode
LED gap spacer
Image quality sensor(*1)
Life counter clear
([6] + [START] :
PM support mode)
Code in mode 05
2742(*3)
Code in mode 05
4719
Code in mode 05
4100, 4101, 4103, 4104, 4105,
4106, 4107, 4108, 4109, 4110,
4111, 4115, 4116, 4117, 4118,
4120, 4128, 4129
4006
4526
4402, 4058, 4059, 4060,
4061, 4062, 4560
4019
–
3030
3032
3031
4050
4052
4053
7000
7001 (*7)
(Chapter 6.2, 6.3, 6.4, 6.5 )
e-STUDIO2555C/3055C/3555C/4555C/5055C
SETTING / ADJUSTMENT
6
- Quick Links:
- Service Manual
- Table of Contents
Hide quick links:
Troubleshooting
