Toshiba e-STUDIO 5540C Service Manual page 554

Code Item to be adjusted
2742 Forced performing
of image quality
closed-loop control
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
SETTING ADJUSTMENT
(3)"ERROR" which occurs in the surface potential sensor control
1. Specify the colors (Y,M,C,K) corresponding to 1 or 2 from the numbers
displayed in "ERROR".
2. Press the [CANCEL] button to return to the initial state of the Adjustment
mode.
3. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
4. Clear the error following the procedure on  P. 8-281"8.4.1 Drum
surface potential sensor control related troubleshooting" or  P. 8-
285"8.4.3 Drum surface potential sensor control related troubleshooting
when setting up the equipment at unpacking (e-STUDIO6550C/6570C
only)".
5. Perform steps (A) to (D) in <Procedure>.
<Other abnormalities>
Take the appropriate action described in Troubleshooting.
 P. 8-1"8. ERROR CODE and TROUBLESHOOTING"
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