Controlling The Reciprocating Movement Of The Thermistor - Canon imageRUNNER 5065 series Service Manual

Chapter 9
FUSER_F_SL_UP: fixing inlet guide UP signal
FUSER_F_SL_DOWN:fixing inlet guide DOWN signal
[1] Fixing inlet guide
[2] Fixing roller
DCON: DC controller PCB
SL1: Fixing inlet guide solenoid
The following shows the position (up/down) of the fixing inlet guide controlled to suit the type/size of paper being in use:
Paper type
Plain paper
Heavy paper
ERROR CODE:
E841 (fixing inlet guide solenoid connection detection error)
0001 At power-on, the connection of the fixing inlet guide solenoid is not detected.

9.3.1.3 Controlling the Reciprocating Movement of the Thermistor

iR5065 / iR 5055 / iR5075 / / /
To prevent damage to the fixing roller by the main thermistor (THM1) or the shutter thermistor (THM3), the thermistor is moved in the axial direction of the fixing
roller over a distance of about 12 mm.
The thermistor is moved by the drive from the web drive solenoid (SL9), transmitted to the reciprocating cam by way of a one-way arm.
The following shows the components associated with the mechanism used to control the thermistor reciprocating mechanism:
(REAR)
9-10
[2]
[1]
DCON
Paper length
less than 257 mm
257 mm or more
-
THM1
THM3
1
J251
24V
9
FUSER_F_SL_UP
10
FUSER_F_SL_DOWN
11
F-9-15
T-9-7
Inlet guide position
down
up
down
(FRONT)
[1]
F-9-16
SL1
SL9
0015-4607