Chapter 4
4-14
4.3.5 Drive Unit
0014-8962
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-4-24
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
- Media size (width): 36 inches or wider
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
- Media size (width): 36 inches or wider
Check the printed pattern and enter values for adjustment.
[3]
[4]
[1]
[2]
[2]
Summary of Contents for iPF8400S Series
Page 1: ...Feb 27 2017 Service Manual iPF8000 series iPF8400S ...
Page 2: ......
Page 6: ......
Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...
Page 12: ......
Page 14: ......
Page 63: ...Chapter 2 TECHNICAL REFERENCE ...
Page 64: ......
Page 106: ......
Page 107: ...Chapter 3 INSTALLATION ...
Page 108: ......
Page 110: ......
Page 123: ...Chapter 3 3 13 F 3 22 6 FAN UNIT A ...
Page 125: ...Chapter 3 3 15 ...
Page 126: ......
Page 127: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
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Page 167: ...Chapter 4 4 37 ...
Page 168: ......
Page 169: ...Chapter 5 MAINTENANCE ...
Page 170: ......
Page 172: ......
Page 177: ...Chapter 6 TROUBLESHOOTING ...
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Page 180: ......
Page 215: ...Chapter 7 SERVICE MODE ...
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Page 272: ...Chapter 7 7 54 ...
Page 273: ...Chapter 8 ERROR CODE ...
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Page 311: ...Feb 27 2017 ...
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