9. Controlling the Fixing Temperature for
Jam Removal
Figure 3-441 explains the supply of power to
the fixing assembly.
The NP6085 turns ON and OFF the fixing
assembly temperature control mechanism
according to the following:
•
If a jam is removed by opening the front door
(front door switch SW3OFF),
The front door switch SW3 turns OFF.
The main motor drive signal turns OFF.
The sub heater drive signal turns OFF.
The AC power supply turns OFF.
The main motor turns OFF.
The sub heater turns OFF.
•
If a jam is at a specific location (Q7, Q10,
Q62),
Paper sensor Q7, Q10, or Q62 turns ON.
The main heater drive signal turns OFF.
The sub heater drive signal turns OFF.
The AC power supply turns OFF.
The main heater turns OFF.
The sub heater turns OFF.
•
If the fixing assembly is slid out (fixing assem-
bly detecting switch SW32OFF),
The main heater relay (RL1) turns OFF.
The sub heater relay (RL2) turns OFF.
The fixing assembly detection signal turns ON.
The main heater drive signal turns OFF.
The sub heater drive signal turns OFF.
The main heater turns OFF.
The sub heater turns OFF.
3. OPERATIONS AND TIMING
COPYRIGHT © 1996 CANON INC.
CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3-128
SSR
Main heaterH1
Main heater
relayRL1
Sub heater relay
12VU
SW32
Fixing assembly detecting signal(FXSD)J125-B2
Fixing assembly detecting switch
AC driver
Drum heater
control circuit
Drum heater
Q7
Q10
Q62
Fixing assembly paper detection signal(PDP2)
Fixing assembly
paper sensor
Fixing separation claw assembly paper detection signal(PDP1)J118-B11
Fixing separation
claw paper sensor
Feeding assembly
paper sensor
SW48
Feeding assembly paper detection signal(FPDP)
Front door switch (SW3)
Front door open signal (FD0)
100V model only
Sub heaterH2
N.O
N.O
Main heater drive signal
(MHOND)J117-B1
Sub heater drive signal
(SHOND)J117-B4
DC controller
PCB
Figure 3-441
Содержание NP6085
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Страница 498: ...COPYRIGHT 1996 CANON INC CANON NP6085 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON A 5 ...
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