
2. Controlling the Temperature of the Fixing Heater
The fixing heater is turned OFF during standby. To prevent fixing faults caused by low temperature,
either of the following five types of temperature control is executed depending on the temperature of the
fixing heater (output of the main thermistor TH1) at power-on and the count of copies to be made.
a. If the temperature at copy start is less than 100°C, either of further five types of control is chosen
depending on the count of copies:
q
235° to 190°C,
w
225° to 180°C,
e
215° to 180°C,
r
250° to
180°, and
t
195° to 180°C. Normally, one of
w
through
r
is sleeted.
■
Control
q
1st to 4th copy
→
235°C
5th to 6th copy
→
230°C
7th to 20th copy
→
225°C
21st to 30th copy
→
215°C
31st to 40th copy
→
210°C
41st to 50th copy
→
200°C
51st to 100th copy
→
190°C
■
Control
w
1st to 4th copy
→
225°C
5th to 6th copy
→
220°C
7th to 20th copy
→
215°C
31st to 40th copy
→
210°C
41st to 50th copy
→
190°C
51st to 100th copy
→
180°C
■
Control
e
1st to 20th copy
→
215°C
21st to 30th copy
→
210°C
31st to 40th copy
→
200°C
41st to 50th copy
→
190°C
51st to 100th copy
→
180°C
3–119
COPYRIGHT © 1996 CANON INC. CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
Figure 3-640
Fixing heater (H4)
Main motor (M1)
Control panel
power switch ON
Copy Start key ON
Copy Start key ON
STBY
Continuous copying
STBY
Continuous copying
1st to 4th copy
1st to 5th copy
6th to 10th copy
11st to 15th copy
5th to 6th copy
7th to 20th copy
21st to 30th copy
31st to 40th copy
235˚C
230˚C
225˚C
215˚C
210˚C
205˚C
140˚C
100˚C
Содержание GP200
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