Chapter 2
2-44
2.4.5 Motor Driver
2.4.5.1 Media take-up PCB components
0014-2480
iPF810
F-2-33
a) Driver IC (IC104)
Media take-up motor drive function
This function controls the Media take-up motor based on the control signals from the main controller.
Sensor relay function
This function relays the input signals from the Media take-up paper detection sensor and Media take-up on/off sensor to the main controller PCB.
2.4.5.2 Lower roll unit PCB components
0020-5556
iPF820
F-2-34
a) Driver IC (IC2)
The lower roll media pick-up motor is controlled on the basis of a control signal generated from the main controller PCB.
b) Clutch/solenoid control function
The clutch and solenoid are controlled on the basis of a control signal generated from the main controller PCB.
c) Sensor relay function
The sensor relay function transfers input signals from the sensors and switches to the main controller PCB.
2.4.6 Maintenance Cartridge Relay PCB
2.4.6.1 Maintenance cartridge relay PCB components
0013-6532
iPF810 / iPF820
F-2-35
a) EEPROM (IC1)
The 128-KB EEPROM stores all information written in the EEPROM on the main controller PCB.
IC104
IC2
IC 1
Summary of Contents for iPF800 Series
Page 1: ...Aug 13 2008 Service Manual iPF800 series ...
Page 2: ......
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Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...
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Page 38: ...Chapter 1 1 24 Hold this lever to pull out the lower roll unit ...
Page 100: ...Chapter 1 1 86 ...
Page 101: ...Chapter 2 TECHNICAL REFERENCE ...
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Page 159: ...Chapter 3 INSTALLATION ...
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Page 176: ...Chapter 3 3 14 ...
Page 177: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
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Page 238: ...Chapter 4 4 58 ...
Page 239: ...Chapter 5 MAINTENANCE ...
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Page 246: ...Chapter 5 5 4 5 Close upper cover 1 F 5 6 1 ...
Page 247: ...Chapter 5 5 5 ...
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Page 249: ...Chapter 6 TROUBLESHOOTING ...
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Page 275: ...Chapter 7 SERVICE MODE ...
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Page 303: ...Chapter 8 ERROR CODE ...
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Page 318: ...Chapter 8 8 12 ...
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