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Chapter 4
4-13
4.3.5 Drive Unit
0032-0785
a) Feed Motor
Removing the Feed Motor
1) Remove the left cover.
2) Remove one spring [1], two screws [2], and one connector [3], and then remove the belt [4] from the motor pulley and remove the cable from the cable guide to
remove the feed motor [5].
F-4-26
Precautions about Reinstallation of Feed Motor
Put the timing belt on the pulley in the feed motor drive unit, tighten the screw [1] temporarily, install the spring [2], and then tighten the screw [1] to secure the
feed motor.
F-4-27
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): 24 inches
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): 24 inches
Check the printed pattern and enter values for adjustment.
[1]
[3]
[5]
[4]
[2]
[2]
[1]
Summary of Contents for iPF671
Page 1: ...Dec 17 2014 Service Manual iPF680 670 650 series iPF671 ...
Page 2: ......
Page 6: ......
Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...
Page 12: ......
Page 14: ......
Page 64: ......
Page 65: ...Chapter 2 TECHNICAL REFERENCE ...
Page 66: ......
Page 124: ......
Page 125: ...Chapter 3 INSTALLATION ...
Page 126: ......
Page 128: ......
Page 133: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
Page 134: ......
Page 136: ......
Page 192: ...Chapter 4 4 56 2 Shaft Cleaner 1 F 4 118 1 1 ...
Page 193: ...Chapter 4 4 57 3 Upper Cover Hinge Catch 1 Roll Cover Slide Guide 2 F 4 119 2 1 ...
Page 196: ......
Page 197: ...Chapter 5 MAINTENANCE ...
Page 198: ......
Page 200: ......
Page 206: ...Chapter 5 5 6 ...
Page 207: ...Chapter 6 TROUBLESHOOTING ...
Page 208: ......
Page 210: ......
Page 253: ...Chapter 7 SERVICE MODE ...
Page 254: ......
Page 256: ......
Page 310: ...Chapter 7 7 54 ...
Page 311: ...Dec 17 2014 ...
Page 312: ......