AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 3
d. Fusing temperature control
The temperature sensor is provided at the center of the upper and
the lower heat rollers.
The temperature sensor at the center detects the heat roller tem-
perature and controls the heater lamp to keep the fusing tempera-
ture at the specified level.
The fusing temperature is switched according to the machine con-
dition and paper type selected.
(Example: 200V series)
B. Disassembly/Assembly/Maintenance
(1) Fusing section maintenance target parts
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
Upper heat roller
Lower heat roller
Ready state
160°C
145°C
Power save mode
138°C
OFF
Print mode
Normal paper
B/W
160°C
145°C
OHP sheet
170°C
155°C
Heavy paper 1
170°C
135°C
Heavy paper 2
175°C
145°C
Envelope
180°C
145°C
Unit Name
No.
Part name
When
calling
50K 100K 150K 200K 250K 300K 350K 400K
Remark
Fusing section
1
Upper heat roller
✕
✕
▲
✕
▲
✕
▲
✕
▲
Replace at 100K or
within 2 years.
2
Lower heat roller
✕
✕
▲
✕
▲
✕
▲
✕
▲
Replace at 100K or
within 2 years.
3
Heat roller gear
✕
✕
▲
✕
▲
✕
▲
✕
▲
100K
4
Heat roller bearing
✕
✕
▲
✕
▲
✕
▲
✕
▲
100K
5
Separation pawl
✕
✕
▲
✕
▲
✕
▲
✕
▲
100K
6
Thermistor
✕
✕
▲
✕
▲
✕
▲
✕
▲
100K
–
Bearings
✕
✕
✕
✕
✕
✕
✕
✕
✕
8
Gears
✕
✩
✩
✩
✩
✩
✩
✩
✩
9
Paper guides
❍
❍
❍
❍
❍
❍
❍
❍
❍
10 Paper exit roller
✕
✕
✕
✕
✕
✕
✕
✕
✕
11 Paper exit roller
✕
✕
✕
✕
✕
✕
✕
✕
✕
12 Discharge brush
✕
✕
✕
✕
✕
✕
✕
✕
✕
–
Fusing unit
✕
▲
✕
▲
✕
▲
✕
▲
Replace the unit at
100K or within 2 years.
6
6
1
2
4
4
4
4
5
8
9
3
6
6
1
2
5
4
4
4
4
5
10
8
9
3
11
11
11
11
12