fuser system error

[Reeves]

Hi everyone

i have a xerox wc 7845 displaying fuser system error with error code 310-381 fuser unit no heating up fuser thermotor fail

what i have done so far

- changed the fuser unit
- systems software upgrade
- system reset
- fuser life reset
- set nvm 616-014 to 2
- set 744-001 to 0
when i reset the fuser unit life its not resetting to 0 the counter for the fuser unit is showing 217,483,647 and total no of copies on the machine is 64,762

what could be the problem pliz help

[copytech200X]

kindly check fusing assy chip and change back existing machine chip then problem resolved

[Reeves]

kindly check fusing assy chip and change back existing machine chip then problem resolved

Does this fuser unit has a chip??

[copytech200X]

Does this fuser unit has a chip??

yes ,open torx screw at the rear fusing assy and reinstall existing machine chip to new fusing .

[weetu]

Does this fuser unit has a chip??

Perhaps there is a chip because HI and LOW speed fusers are not interchangeable, the low speed part no. end with 220 and hi speed ends with320.
In addition, the machine says "This is not a proper fuser" or something similar.