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Chapter 9
9-9
9.4
Protective Functions
9.4.1
Protective Functions
0006-6009
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
As part of its protective mechanism, the machine has a thermo switch, triacs, and a relay. Protective measures
according to location are described below:
1. 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.
2. 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.
3. 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.
Protective Circuit Block Configuration Diagram
F-9-5
DCON
CPU
A/D
and
and
and
and
AC driver
Tr
S_TH
M_TH
SW
Содержание iR2270 Series
Страница 1: ...Jan 31 2005 Service Manual iR4570 3570 2870 2270 Series ...
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Страница 29: ...Chapter 1 Introduction ...
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Страница 107: ...Chapter 2 Installation ...
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Страница 132: ...system setup network Ethernet driver setup auto detect ...
Страница 152: ...F 2 94 3 2 3 1 ...
Страница 153: ...Chapter 3 Basic Operation ...
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Страница 163: ...Chapter 4 Main Controller ...
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Страница 205: ...Chapter 5 Original Exposure System ...
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Страница 253: ...Chapter 6 Laser Exposure ...
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Страница 261: ...P ACC Motor acceleration signal P DEC Motor deceleration signal BD BD output level single Single Description ...
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Страница 271: ...Chapter 7 Image Formation ...
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Страница 289: ...F 7 13 1 2 3 4 ...
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Страница 349: ...Chapter 8 Pickup Feeding System ...
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Страница 426: ...Chapter 8 8 70 An image is formed for the 1st side of the 5th sheet F 8 90 The 5th sheet is delivered 4 1 2 3 5 ...
Страница 511: ...Chapter 9 Fixing System ...
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Страница 557: ...Chapter 10 External and Controls ...
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Страница 633: ...Chapter 11 MEAP ...
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Страница 635: ...Contents Contents 11 1 Overview 11 1 11 2 MEAP Counter 11 2 11 3 Construction of the MEAP Platform 11 4 ...
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Страница 641: ...Chapter 12 Maintenance and Inspection ...
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Страница 681: ...Chapter 13 Standards and Adjustments ...
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Страница 703: ...Chapter 14 Correcting Faulty Images ...
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Страница 754: ...T 14 28 Notation Description VR201 for factory use ...
Страница 755: ...Chapter 15 Self Diagnosis ...
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Страница 841: ...Chapter 16 Service Mode ...
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Страница 844: ...Contents 16 8 1 COPIER 16 102 16 8 1 1 Copier List 16 102 ...
Страница 953: ...Chapter 17 Upgrading ...
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Страница 962: ...F 17 4 HDD Boot ROM Flash ROM System Software ...
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Страница 978: ...Chapter 17 17 22 F 17 26 2 Click Start F 17 27 3 When the result of the downloading session has appeared click OK ...
Страница 996: ...Chapter 17 17 40 2 Select the data you want to back up F 17 52 3 Click Start F 17 53 4 Click Save ...
Страница 998: ...Chapter 17 17 42 F 17 56 2 Select the data to download F 17 57 3 Click Start ...
Страница 1001: ...Chapter 18 Service Tools ...
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Страница 1003: ...Contents Contents 18 1 Special Tools 18 1 18 2 Oils and Solvents 18 2 ...
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Страница 1007: ...Jan 31 2005 ...
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