Chapter 9
9-6
9.4 Protective Functions
9.4.1 Protective Functions
0018-9786
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
As part of its protective mechanism, the machine has a thermo switch (TP1), triacs, and a relay.
Protective measures according to location are described below:
When the thermistor is out of order
Software detects a failure, and the triac and the relay are turned off.
The thermo switch is turned off.
When the CPU goes out of control
The latch circuit detects the excessive temperature rise, and the relay is turned off.
The thermo switch is turned off.
When the triac short-circuits
Software detects failure, and the relay is turned off.
The latch circuit detects the excessive temperature rise, and the relay is turned off.
The thermo switch is turned off.
F-9-5
DC-CON
CPU
A/D
Triac 1
Triac 2
Relay
Relay control
Triac control 1
Triac control 2
and
and
and
and
Fixing unit
AC driver
Tr
Connection detection
S_TH
Thermo switch
Latch circuit(M)
Latch circuit(S)
M_TH
Содержание iR3245
Страница 1: ...Jul 3 2008 Service Manual iR3245 3235 3230 3225 Series...
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Страница 25: ...Chapter 1 Introduction...
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Страница 65: ...Chapter 2 Installation...
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Страница 121: ...Chapter 3 Basic Operation...
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Страница 129: ...Chapter 4 Main Controller...
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Страница 134: ...Chapter 4 4 2 F 4 1 1 5 8 9 11 14 12 3 4 10 2 13 7 15 16 17...
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Страница 153: ...Chapter 5 Original Exposure System...
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Страница 185: ...Chapter 6 Laser Exposure...
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Страница 197: ...Chapter 7 Image Formation...
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Страница 227: ...Chapter 8 Pickup Feeding System...
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Страница 279: ...Chapter 9 Fixing System...
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Страница 297: ...Chapter 10 External and Controls...
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Страница 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
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Страница 343: ...Chapter 11 MEAP...
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Страница 397: ...Chapter 12 e maintenance imageWARE Remote...
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Страница 409: ...Chapter 13 Maintenance and Inspection...
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Страница 424: ...Chapter 13 13 12...
Страница 425: ...Chapter 14 Standards and Adjustments...
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Страница 433: ...Chapter 14 14 5 Execute the following in Service Mode ADF white level adjustment COPIER FUNCTION CCD DF WLVL1 2 3 4...
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Страница 437: ...Chapter 15 Correcting Faulty Images...
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Страница 465: ...Chapter 16 Self Diagnosis...
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Страница 493: ...Chapter 17 Service Mode...
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Страница 691: ...Chapter 18 Upgrading...
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Страница 738: ...Chapter 18 18 44...
Страница 739: ...Chapter 19 Service Tools...
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Страница 741: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools 19 1 19 1 2 Oils and Solvents 19 1...
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