canon np 7161 error code e004

[crismoncy]

hi!
good day!
i have problem regarding canon np 7161 error code E004?
anybody can help me how to reset this code.
Thank You
cris

[zoraldinho]

The triac has a short circuit or DC controller is faulty.

[teckat]

hi!
good day!
i have problem regarding canon np 7161 error code E004?
anybody can help me how to reset this code.
Thank You
cris

To clear E000 through E004, operate as follows:
1) Select ‘412’ (clear E000–E004) in service mode.
• The copier’s control panel indicates the respective error code.
2) Press the Start key.
3) The copier will automatically turn off, clearing the error.



E004
• The triac has a short circuit.
• The DC controller PCB is faulty.

Fixing heater (H1)=Execute service mode ‘412’ (error clear) to clear E004.
Turn off/Turn on the power switch. Does the fixing heater turn on?

Triac=Check/Replace the power supply PCB

DC controller PCB=Check the wiring from the power supply PCB to the DC controller PCB

The fixing heater fails to turn on.
Thermal switch (TSW1
Turn off the power switch, and remove the fixing assembly. Set the meter range to
“Wx1.” Does the meter index swing when the probes are connected across both terminals of the thermal switch

Fixing heater (H1)
Turn off the power switch, and remove the fixing assembly. Is there continuity when probes are connected across both terminals of the fixing heater

DC controller PCB
Set the meter range to 30 VDC, and connect the probes to J106-21 (+) and J105-4 (-) on
the DC controller PCB. Is the resistance about 5 V


Using Service Mode
1) Press the User Mode key.
2) Press ‘2’ and ‘8’ of the keypad at the same time. (Hold them down for 0.5 sec or more.)
3) Press the User Mode key once again.