Chapter 2
2-28
d) Pump
The pump is a tube pump that pressurizes the ink tubes with rotating rollers to produce a negative pressure for sucking inks. Each individual tube is sequentially
pressurized by two rotating rollers to control the rate of ink suction by a wide margin.
The rate of rotation of the rotating pumps is controlled by driving the purge motor or the HP maintenance jet pump motor as the timing at which the rotating pumps
rotate is detected by a pump cam sensor.
F-2-18
Purge motor
HP maintenance jet
pump motor
HP maintenance jet
suction pump
HP maintenance jet
pump encoder sensor
HP maintenance jet tray
Pump encoder sensor
Suction
pump
Pump cam sensor
Cap
Cap
Ink tubes
Suction pump
Rotating
rollers
Summary of Contents for iPF800 Series
Page 1: ...Aug 13 2008 Service Manual iPF800 series ...
Page 2: ......
Page 6: ......
Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...
Page 12: ......
Page 14: ......
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 ...
Page 102: ......
Page 158: ......
Page 159: ...Chapter 3 INSTALLATION ...
Page 160: ......
Page 162: ......
Page 176: ...Chapter 3 3 14 ...
Page 177: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
Page 178: ......
Page 180: ......
Page 238: ...Chapter 4 4 58 ...
Page 239: ...Chapter 5 MAINTENANCE ...
Page 240: ......
Page 242: ......
Page 246: ...Chapter 5 5 4 5 Close upper cover 1 F 5 6 1 ...
Page 247: ...Chapter 5 5 5 ...
Page 248: ......
Page 249: ...Chapter 6 TROUBLESHOOTING ...
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Page 252: ......
Page 274: ......
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 ...
Page 319: ...Aug 13 2008 ...
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