Toshiba e-studio 2555c, Руководство по обслуживанию

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ERROR CODE AND TROUBLESHOOTING
8 - 195
* If you have already performed this checking cycle once, proceed to step (11).
9
Check the first pattern detection
value for each color of image
quality sensor detection value (05-
2758-2 to 5), and identify the color
of unit which causing test pattern
abnormality. Identify the color of
unit by check the value which
exceeds "600". (Sub-code 2: Y, 3:
M, 4: C, 5: K)
10
Check if the developer unit
identified in step 9 has been
installed properly. Visually check the installation status of
the developer unit, and correct it if
there is any abnormality. 17*
11
Set the values of "Image quality
closed-loop control / Contrast
voltage (08-2486)" to "0" (Invalid).
12
Perform "Enforced performing of
image quality open-loop control
(05-2740)".
13
Output several number of sheets
of the image quality control test
pattern (04-270) and the list print
([9][START]->101), and check the
pattern of the color identified in
step 9. Is the image normal? Yes 15
No 14
14
Abnormal image
Correct the abnormal image. Blank print, Solid print, White banding,
Color banding, White spots, Poor
transfer, Uneven image density, Faded
image (low density), Uneven light
distribution, Blotched image.
*
Blank print: including when one of
the YMCK colors is not printed.
16
15
Replace the image quality sensor
or LGC board.
16
Set the values of “Image quality
closed-loop control / Contrast
voltage (08-2486)” to “1” (Valid).
17
Perform “Forced performing of
image quality closed-loop control
(05-2742).” Is it completed
normally? Yes 19
No 18
18
Check and correct it accordingly.
19
Perform "Automatic gamma
adjustment".
20
Clear all “Image quality control
abnormal detection counter Y to K
display/0 clearing (08-2528 to
2531)”.
Step Check Item Result Measure
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