e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 226
8.4.7 Blank copy
Fig. 8-7
Defective area Step Check items Prescription
Bias supply connector 1 Is the connector inserted properly? Insert the connector properly.
High-voltage transformer
(Transfer charger,
Developer bias)
2 Is the high-voltage transformer
output defective?
Replace the transformer.
3 Are the connectors of the high-
voltage harness securely connected?
Is the harness open circuited?
Reconnect the harness securely.
Replace the high-voltage harness.
Developer unit 4 Is the developer unit installed
properly?
Check and correct the engaging
condition of the developer unit gears.
5 Do the developer sleeve and mixers
rotate?
Check and fix the drive system of the
developer unit.
6 Is the developer material smoothly
transported?
Remove the foreign matter from the
developer material.
Drum 7 Is the drum rotating? Check the drive system of the drum.
CCD, SLG, SYS, LGC
boards and harnesses
8 Are the connectors securely
connected?
Check if the harnesses connecting
the boards are open circuited.
Connect the connectors securely.
Replace the harness.
Feeding direction
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