bizhub 421 error = C-3501

[landpromise]

Hi our work printer has brought up the error c-3501

i cant seem to get to any system settings area now as the error screen wont go away

im a techie and i need this fixed for my office staff, does someone know how i can solve the error and get to the system settings

ive googled the error and i need to the softtswitches??? but i dont know how

thanks for any help

[laitang]

C-3501 Fusing main sensor high temperature abnormality.
The thermistor /1 (TH1) detects a temperature higher than 236 °C for more than a specified period of time.

Check:
- Thermistor /1 (TH1)
- Printer control board (PRCB)
- DC power supply (DCPS)

When a trouble related to the fusing system occurs, the software DipSW3-1 (SC latch) is set to "1" ("0" for default). This adjustment is used to return this to the default condition (normal operation).

When an SC code is displayed on the touch panel, you cannot enter the service mode. Accordingly, the following shows the method for resetting a trouble from the power-off condition.

1. Turn ON the main power switch (SW1).
2. With the Utility/Counter key pressed, turn ON the power switch (SW2).
3. Press [Trouble reset] to release a trouble with [OK] displayed.
4. Turn OFF and ON the power switch (SW2).