Chapter 8 Fixing System; Operations; Outline - Canon 1130 Service Manual

Color laser copier

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Service handbook (274 pages)

Service manual (901 pages)

Service manual (20 pages)

Table of Contents

Table 8-101 shows the major functions of the fixing unit assembly.

Fixing assembly drive

Fixing heater

Fixing temperature detection

Oil application

Protective function

Heat roller method

Fixing motor (M5)

Main heater (H1): 540 W (100/120 V), 700 W (230 V)

Sub heater (H2):

Fixing upper thermistor 1 (THM1; at center of fixing upper roller)

Fixing upper thermistor 2 (THM2; at front end of fixing upper

Fixing lower thermistor 3 (THM3; at center of fixing lower roller)

Fixing lower thermistor 4 (THM4; at rear end of fixing lower roller)

Fixing upper cleaning belt (for fixing upper roller)

Fixing lower cleaning belt (for fixing lower roller)

• Life estimated at about 25,000 copies.

• Driven by the fixing upper cleaning belt solenoid (SL1) and

the fixing lower cleaning belt (SL2).

• Number of operations varies according to the size of paper.

Small size (182 to 216 mm; 1 operation per copy)

Large size (217 to 432 mm; 2 operations per copy)

• Length of cleaning belt detected by the following:

Fixing upper cleaning belt length sensor (PS11)

Fixing lower cleaning length sensor (PS67)

• Circulatory application of silicone oil by the oil pump (PSP1),

felt, and applying blade.

Capacity: equivalent of about 50,000 copies/L.

Detection of oil level:

Detection is executed as follows; shuts off the power to the fixing

heater in response to an error:

• Reading of thermistors (TH1 through TH4)

• Error in SSR

• Operating temperature (220ºC) of the fixing upper thermal

switch (TP2; rear end of upper roller)

• Operating temperature (220ºC) of the fixing lower thermal

switch (TP3; front end of lower roller)

CANON CLC1100/1130/1150/1160/1180 REV.1 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)