lately a used copier Canon NP6551.
But after a few copies he came up with E002.
We let a mechanic come by and he fixed it .
But 2 weeks later same problem. The mechanic came by again , he replaced a
small divice with some electick wire on it. he said something from heater.
But 1 week later again same problem.
Please help us, what the real problem could be. Many thanks , and best regards.
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Re: Error code: E002 at canon NP6551
Techbill is on the right track, but I would say just breaking the contacts on the the DC control may help- that is a good fix for older copiers. How may copies are on the copier? Have you had the copier moved resently? Or have you had some eletric work doe and is the copier on the same power circut with another device (AC unit) ? Also, can the code be reset in service mode, with no new parts put in? I have had the same problem on this mode and other models.... You said the tech replaced something with wires on it... Was it the thirmister? This model has two of them one towards the back of the UFR and one in the middle.. You also, may have a bad front door switch ( AC).... Asks a few questions.....
If the fuser assy has been repaired and you keep experiancing an E002 the problem is most likely a faulty DC Controller (main board) The DC Controller handles the voltage applied to the fuser assy and gives the error code E002 or E003. Have your tech clean & reseat connectors on the DC Controller before just replacing it. I have found cleaning the connectors & reseating them solves the problem 75% of the time.
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The E000, E001, E002, E003, E007 are all related to high or low temperature readings and the 7 is due to fixing film rotation issue
1. Press the User Mode key. (Looks like a little man head. Some people call it the function or additional function key.)
2. Press 2 and 8 on the keypad at the same time.
3. Press the User Mode key on the control panel.
If done correctly the display will read COPIER FEEDER SORTER FAX BOARD
Press the Copier Icon
Press the Function Icon
Press the Clear Icon
Press the Err Icon
To exit service mode : Press the Reset key twice to end service mode and return to the User screen
Heater temperature error (abnormal drop; low-temperature detection)
The main thermistor reading is lower than 140°C when paper is moved. Main cause: The fixing film unit is faulty (i.e., the main thermistor (TH1) has poor contact or has an open circuit; or, the fixing heater is faulty). The main power supply PCB is faulty. The DC controller PCB is faulty. Caution: To clear the error, execute the following in service mode: COPIER>FUNCTION>CLEAR>ERR. Action: 1. State Turn on the power switch, and clear E002/E003. Thereafter, turn off and then on the power switch. Does the fixing heater operate? NO: See "The fixing heater fails to operate." 2. Wiring Is the wiring from the DC controller PCB to the fixing film unit normal? NO: Correct the wiring. 3. Fixing film unit, DC controller PCB Try replacing the fixing film unit. Is the problem corrected? YES: End. NO: Replace the DC controller PCB.
1)due to fuser unit temperature control fault.
2)try to reset the machine by tuning on and off
3)fixing thermister or thermoswitch faulty due to cannot maintain fixing heater temp causes E002 appear.
4)check any paper roll over the surface of fixing roller.try to remove it.
5)fixing roller or fuser roller located near to printing output.
The NP6551 is an analogue copier, using only mirrors and lenses. It has no way of rotating the image. If you want to reduce a 11x17 to a 8.5x11 both peices of paper need to be fed in the same direction, ie short edge first. Change one of your trays to LTR-R ('R' for Reduction) or feed the LTR paper in thru the bypass in the long direction. If you use te bypass you must specify the paper size as LTR-R, you cannot use FREE.