Toshiba e-STUDIO 2555C Service Manual page 745

Step Check Item
27
< Checking with the enforced
image position adjustment >
Does the error [CA00] occur during
the position adjustment control?
1. Turn the power ON while [0]
28
and [5] are pressed
simultaneously.
2. Key in "4719", then press the
[START] button. (05-4719:
Enforced position adjustment)
< Validating the color registration
control >
29
<Checking the image position
30
aligning sensor>
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Result Measure
• Check if the photoconductive drum
and the transfer belt are rotating. If
not, correct their mechanism.
• Check if there are abnormal stain,
large breaking or scratches on the
transfer belt surface.
• Check if the connector of the
transfer transformer is
disconnected.
• Check if the high-voltage harnesses
of the main high-voltage
transformer and the transfer
transformer are disconnected.
• Check if the harness between the
LGC board and the transfer
transformer is broken.
• Check if the high-voltage joints of
the transfer belt unit are securely
contacted or if they are not stained.
• Check if the high-voltage harness is
broken.
• Check if the connector of the main
high-voltage transformer is
disconnected.
• Check if the harness between the
LGC board and the main high-
voltage transformer is broken.
• Replace the transfer transformer.
• Replace the main high-voltage
transformer.
Yes
No
Check the operation and correct if
necessary. Then be sure to perform
the following:
1. Turn the power ON while [0] and [8]
are pressed simultaneously.
2. Key in "4546", then press the
[START] button. (08-4546: Position
adjustment control / Mode setting)
3. Set the value to "4" (default value).
4. Turn the power OFF.
Clean the image position aligning
sensor (S7, S8).
e-STUDIO2555C/3055C/3555C/4555C/5055C
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Next
Step
16
29
9
ERROR CODE AND TROUBLESHOOTING
8