Installing The Upper Roller/Fixing Roller Heater; Attaching The Fixing Roller Heater; Installing The Thermoprotector; Fixing Roller Heater - Canon LBP-CX Series Service Manual

(4) Remove the two fastening screws, then loosen
the cord holder screws. Remove the spring, then
the lamp terminal mounting plate.
Figure 4-82
(5) Remove the retaining ring from the shaft, then
take off the gear.
Figure 4-83
(6) Pull out the upper roller together with the front
fixing roller bearing (2) from the front.
Figure4-84
Note:
The surface of the upper roller can be easily scratch-
ed. Exercise caution.
5. Installing the upper roller/fixing roller heater
Assembly is the reverse of disassembly. Check
that the surface of the thermistor contacts the
upper roller evenly.
Upper roller
Upper crossmember
Figure 4-85
Note:
Thermistor
spring
It
is not necessary to adjust the position of the
thermistor.
If
contact is not even, check whether
the thermistor spring is deformed.
Clean the thermistor with alcohol or MEK.
• Attaching the fixing roller heater
Position the terminal with the manufacturer's
mark to the front.
r.rt=-oi--;__...,.. . . . . . . -_ ----
- _ ' - h _ ~ _ W l . h _ , . _ r j . _ ' 1 1
~
Front
Mfg. mark
Figure 4-86 Fixing roller heater
Note:
If the fixing roller heater is installed backwards,
thti toner on the separation belt side of the printer
will not be fixed properly.
6. Installing the thermoprotector
(1)
Confirm· that the detecting surface of the
thermoprotector is even with the upper roller
surface.
(2) There is no need to adjust the position of the
thermoprotector.
(3) If the surface of the thermoprotector is dirty,
clean it with alcohol.
COPYRIGHT
©
BY CANON lllC. CANON LBP·CX SERIES REV.2 JULY 1985 PRINTED lit JAPAN (IMPRIME AU JAPOllJ
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