Toshiba e-STUDIO 5540C Service Manual page 896

[CA47] SNS board abnormality
Classification
Laser optical unit related service call
Check item
Relay connector
LGC board
Replace parts
LGC board
Laser optical unit
[CFA0] Media sensor output abnormality before paper reaching
[CFA1] Media sensor output abnormality during paper passing
Classification
Paper transport service call
Step
1 If these codes are recorded in the error history, the media sensor may have a malfunction. In
this case check the following:
2 Is the connector of the media sensor disconnected or is any harness open circuited?
3 Are the arm of the media sensor and the bearing rollers operating properly?
4 Is the media sensor adjusted correctly?
6.7.1Adjustment of the media sensor position
5 If any abnormality was found in step 3 above or no abnormality was found in steps 2 and 4,
replace the media sensor.
Note that printing is available even if the media sensor is in a faulty condition. The functions
that the media sensor usually performs are then carried out as follows:
If the media type of paper is set as plain paper, a media type (plain paper 1 or 2) set in
advance in the code below will be used.
08-4599
0: Plain paper 1
Media type setting checking function will be disabled.
Even if the media sensor is in a faulty condition, any message notifying this will not be
appear. Check the condition with the error history.
Replace parts
Media sensor (S69)
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
The SNS board does not operate due to disconnection or the
harness breaking.
• Connector check (J212)
• Connector check (CN321)
• Board check
The sensor output value before paper is reached to the media
sensor is not normal. (CFA0)
The sensor output value while paper is being passed is not
normal. (CFA1)
Measures
1: Plain paper 2 (Factory default - JPD: 0, overseas: 1)
8 - 140
Error item
Measures
Remarks
Error item
Remarks
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