Chapter 4
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b. Action following the replacement of the feed roller HP sensor and feed roller encoder
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 accuracy. When the feed roller, feed roller HP sensor or feed
roller encoder pertaining to the correction of eccentricity variations has been replaced or disassembled and
reassembled, therefore, the feed roller should require adjustment.
Execute service mode under the following conditions:
Service mode SERVICE MODE > ADJUST > PRINT PATTERN > LF
Carriage: LOW position
Media type: Gloss photo paper
Paper size: 36 inches
4.3.7 Ink tube unit
0012-6367
a. Removing the ink tube unit
(1) Drain the printer of inks. See Disassembly/Reassembly > Tips on Disassembly/Reassembly > Ink Drain.
(2) Switch off the printer and move the carriage to above the platen. See Disassembly/Reassembly > Tips on
Disassembly/Reassembly > Open Cap/Shift Wiper Unit.
(3) Remove the shaft cleaner and detach the tube holder cover.
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(4) Disconnect three flexible cables from the main controller.
(5) Remove the feed guide (right) that encloses the flexible cables extending from the main controller.
(6) Disconnect all connectors from the carriage relay PCB.
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