Toshiba e-STUDIO6520C Service Handbook page 475

23.Replace the shutter status detection sensor.
24.Replace the LGC board.
25.Take off the LSU and check if there is no foreign matter between the shutter plate and the LSU
cover.
26.Check if the conductor pattern on the LGC board is open-circuited or short-circuited.
27.Check the LGC board.
[CA47] SNS board abnormality
(1) Is the relay connector CN212 (4-pin connector) disconnected or almost disconnected? (Are they
locked with the latches?)
(2) Is the harness between the LGC board (CN327) and the SNS board open circuited, broken or
disconnected?
(3) Check if the conductor pattern on the LGC board is short circuited or open circuited.
(4) Replace the LGC board.
(5) Replace the laser optical unit.
[CFA0] Media sensor output abnormality before paper reaching
[CFA1] Media sensor output abnormality during paper passing
(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?
3.9.1Adjustment 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 1: Plain paper 2 (Factory default - JPD: 0, overseas: 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.
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