2
© 2008-2011 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO5520C/6520C/6530C
SELF-DIAGNOSTIC MODE
2 - 17
*3
The procedure requires either of steps 1 and 2 below.
1. Pull out the EPU tray and then take off the transfer belt.
2. Pull out the duplexing unit lever and then separate the transfer belt and the 2nd transfer roller.
Insert a door-switch jig into the cover interlock switch on the left upper side of the fuser unit in
order not to turn the 24 V power OFF.
Code Function Procedure
201 LSU shutter opening/closing operation (Operation stops after the shutter is closed) 2
203 Fuser unit jam releasing LED 3
204 Needle electrode cleaner motor-Y reciprocating movement
(Movement stops at the standby position)
2
205 Needle electrode cleaner motor-M reciprocating movement
(Movement stops at the standby position)
2
206 Needle electrode cleaner motor-C reciprocating movement
(Movement stops at the standby position)
2
207 Needle electrode cleaner motor-K reciprocating movement
(Movement stops at the standby position)
2
209 Drum surface potential sensor shutter-Y opening/closing operation
(Operation stops after the shutter is closed)
2
210 Drum surface potential sensor shutter-M opening/closing operation
(Operation stops after the shutter is closed)
2
211 Drum surface potential sensor shutter-C opening/closing operation
(Operation stops after the shutter is closed)
2
212 Drum surface potential sensor shutter-K opening/closing operation
(Operation stops after the shutter is closed)
2
214 Discharge LED-K ON/OFF 3
215 Discharge LED-YMC ON/OFF 3
216 Toner motor-Y ON/OFF
(Pull out the Y toner cartridge if the toner does not need to be supplied.)
* When the front cover is kept opened during the operation, turn the toner motor
interlock switch ON using a door switch jig; otherwise, the operation is not available.
3
217 Toner motor-M ON/OFF
(Pull out the M toner cartridge if the toner does not need to be supplied.)
* When the front cover is kept opened during the operation, turn the toner motor
interlock switch ON using a door switch jig; otherwise, the operation is not available.
3
218 Toner motor-C ON/OFF
(Pull out the C toner cartridge if the toner does not need to be supplied.)
* When the front cover is kept opened during the operation, turn the toner motor
interlock switch ON using a door switch jig; otherwise, the operation is not available.
3
219 Toner motor-K ON/OFF
(Pull out the K toner cartridge if the toner does not need to be supplied.)
* When the front cover is kept opened during the operation, turn the toner motor
interlock switch ON using a door switch jig; otherwise, the operation is not available.
3
220 Sub-hopper toner motor-Y (normal rotation) ON/OFF
(Pull out the sub-hopper unit or the Y toner cartridge if the toner does not need to be
supplied.)
3
221 Sub-hopper toner motor-M (normal rotation) ON/OFF
(Pull out the sub-hopper unit or the M toner cartridge if the toner does not need to be
supplied.)
3
222 Sub-hopper toner motor-C (normal rotation) ON/OFF
(Pull out the sub-hopper unit or the C toner cartridge if the toner does not need to be
supplied.)
3
223 Sub-hopper toner motor-K (normal rotation) ON/OFF
(Pull out the sub-hopper unit or the K toner cartridge if the toner does not need to be
supplied.)
3
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