Toshiba DP3500, Service Handbook

Page: 154 / 257

December 2000 © TOSHIBA TEC 5 - 59 DP4500/3500 TROUBLESHOOTING
[C47] IH power voltage is abnormal/IH initialization error
1. Check the AC input voltage
Check if the AC input voltage is within the specified range.
(especially when the heater becomes ON after the power is turned ON (the copier is warming up))
2. Check the thermostat
Check if the thermostat is blown.
3. Check the IH control board
(1) Check if the AC input connector on the IH control board or the LGC I/F connector J522 is
disconnected?
(2) Check if the fuse on the IH control board has blown.
(3) Replace the IH control board.
4. Check the LGC board
(1) Check if the connector J317 is disconnected.
(2) Check if the conductor pattern on the board is short- or open-circuited.
(3) Replace the LGC board.
5. Clear the status counter
Change the values “10”, “11”, “13”, “14” or “17” of the status counter (08-400) to “0”.
* The status counter value is as follows in the following cases. Change them to "0" respectively.
• The error occurred immediately after the power was turned ON: "10"
• The error occurred before the temperature of the fuser roller reaches 40°C: "11"
• The error occurred before the temperature of the fuser roller reaches 150°C: "14"
• The error occurred before the machine has become ready: "13"
• The error occurred when the machine is in the ready state: "17"