Chapter 2
2-24
2.3.2.4 Printhead
2.3.2.4.1 Structure of Printhead
0013-8015
iPF810 / iPF820
Each printhead is an integrated assembly of six trains of nozzles. Capable of controlling each nozzle individually, each printhead implements discharge control for
six colors by itself.
a) Nozzle arrangement
The nozzle assembly is formed of 1,280 nozzles arranged at 600-dpi intervals in a zigzag pattern, offering a total of 2,560 nozzles 1,200-dpi intervals.
F-2-14
b) Nozzle assembly structure
Inks supplied from the ink tanks are filtered through a mesh ink filter before being sent to the nozzle assembly.
Each nozzle train is supplied with an ink from the common nozzle chamber.
A head drive current subsequently flowing through the nozzle heater boils the ink, generating bubbles to discharge ink drops from the nozzle assembly.
F-2-15
0
2
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3
2559
2557
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2556
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2559
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2556
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2559
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5/600inch
1/1200inch
82/600inch
Resin
Sillicon plate
Heater
Shared ink chamber
Heater
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 ...
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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 ...
Page 319: ...Aug 13 2008 ...
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