Canon copier machine 6055 error 840 - Canon IMAGERUNNER 6570 Copier

SOURCE: COPIER GIVES THIS ERROR E0000-840-0001

this err belongs to sensor problem.
chech thermostat sensor

SOURCE: canon ir 2022 digital copier error code E001

how many blinks do you see in the led indicator? if it is 5 blinks then the problem is the printhead. if it is 2 blinks, then problem is in the feeding mechanism. if the problem is the later, then you might have to bring the unit to an authorize service center to have it checked.

SOURCE: E-840-002

Hello sir; The error code you display it's means " external heat roller sensor damage , replace it.

SOURCE: Canon IR 3100cn Copier Error Code E00002-12

E002 Insufficient temperature rise of the fixing unit

0002 The non-contact thermistor fails to
reach 70 deg C within 180 sec after
reaching 50 deg C.
Check on connection of the thermistor, Replace the
fixing unit
To recover from the error: In service mode ( * 2 8 * )
COPIER>FUNCTION>CLEAR >ERR
0003 The non-contact thermistor fails to
reach 100 deg C within 180 sec after
reaching 70 deg C.
0004 The non-contact thermistor fails to
reach 120 deg C within 180 sec after
reaching 100 deg C.
0005 The non-contact thermistor fails to
reach 140 deg C within 180 sec after
reaching 120 deg C.
0006 The non-contact thermistor fails to
reach 160 deg C within 180 sec after
reaching 140 deg C.
0007 The non-contact thermistor fails to
reach 180 deg C within 180 sec after
reaching 160 deg C.
0008 The non-contact thermistor fails to
reach standby temperature (normally
190 deg C) within 180 sec after reaching
180 deg C.
0101 The non-contact thermistor fails to
reach 120 deg C within 300 sec after
power-on.
0102 The non-contact thermistor fails to
reach standby temperature (normally
190 deg C) within 300 sec after reaching
120 deg C.