Toshiba e-studio 2555c, Руководство по обслуживанию

Страница: 692 / 1558

e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 136
[C4B0] Fuser unit counter abnormality
[C4B1] Fuser unit voltage judgment abnormality
Classification Error item
Fuser unit related service call The abnormality caused by breaking of the sensor which
detects the temperature of IGBT
Check item Measures
IH board • Connector check (CN357, CN561, CN562, CN563)
• Harness check
LGC board • Connector check (CN357)
• Harness check
Status counter 1. [0], [8] Power ON.
2. Key in “2002”, then press [START].
3. Change the current status counter value (08-2002) "15" to
"0".
4. Turn the power OFF and then back ON. Make sure that
the equipment enters the normal ready state.
Replace parts Remarks
IH board
LGC board
Power supply
Classification Error content
Fuser unit related service call Fuser unit counter abnormality
Check item Measure
LGC board • Check if the conductor pattern on the board is short circuited
or open circuited.
• Check if EEPROM is mounted.
Status counter 1. Turn the power ON while [0] and [8] are pressed
simultaneously.
2. Key in “2002”, then press the [START] button.
3. Reset the displayed current status counter value "1 to 4",
"8", "17 to 21", "26", "28", "30 to 62", or "67 or more", then
press [OK] or [INTERRUPT].
4. Turn the power OFF and then back ON. Make sure that the
equipment enters the normal status.
Parts to be replaced Remark
LGC board
Classification Error item
Fuser unit related service call Errors in the IH board when the destination selection of the
equipment is incorrect.