Chapter 4
4-16
4.3.5 Drive Unit
0020-5659
iPF810 / iPF820
a) Feed motor
Removing the feed motor
1) To remove feed motor [1], loosen four screws [2] and remove timing belt [3] and spring [4].
2) Remove four loosened screws [2] to release feed motor [1] and remove the connector.
Reinstalling the feed motor
To reassemble the feed roller drive timing belt [3] into position, set the tension of timing belt [3] by adjusting the pressure of spring [4]. Then, fix feed motor [1].
F-4-33
b) Action to take after replacing the feed roller encoder and feed roller
This printer as shipped has the feed roller eccentricity (that is, variations in the rate of paper feed from rotation to rotation) corrected for enhanced media feed ac-
curacy. When the feed roller HP sensor or feed roller encoder and feed roller pertaining to the correction of eccentricity variations has been replaced, therefore,
they should require adjustment.
Execute service mode under the following conditions to launch automatic adjustment:
Service mode: SERVICE MODE > ADJUST > PRINT PATTERN > LF TUNING
Media type: Glossy photo paper
If adjustment cannot be done properly by selecting "SERVICE MODE > ADJUST > PRINT PATTERN > LF TUNING" (auto adjustment), carry out manual ad-
justment.
Service mode SERVICE MODE > ADJUST > PRINT PATTERN > LF TUNING2
Media type: Gloss photo paper
Check the printed pattern and enter values for adjustment.
c) Carriage motor
Removing the carriage motor
1) Move the carriage onto the platen. "See Disassembly/Reassembly > Disassembly/Reassembly Precautions > Opening the Cap and Moving the Wiper Unit."
2) Remove two screws [1] and connector [2] to remove carriage HP sensor assembly [3].
F-4-34
[2]
[3]
[1]
[2]
[4]
[2]
[3]
[1]
[2]
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 ...
Page 250: ......
Page 252: ......
Page 274: ......
Page 275: ...Chapter 7 SERVICE MODE ...
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Page 278: ......
Page 301: ......
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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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