To remove the waste ink box, remove waste ink tray [1] from the back by unscrewing two screws[4]. Then, unscrew four screws[2] to remove waste ink box [3].

4.3.6 Driving unit

a. Timing belt (for driving the feed roller)

To assemble the timing belt for driving the feed roller, loosen the tensioner setscrew and establish the tension of the timing belt by adjusting the spring pressure.

When the timing belt is assembled back in position, tighten the tension with the setscrew.

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

a. Removing the ink tube unit

(1) Drain the inks of printer. See "Disassembly/Reassembly" > "Points to Note on Disassembly and Reassembly" > "Draining the Ink".

(2) Turn off the printer and move the carriage to above the platen. See "Disassembly/Reassembly" > "Disassembly/Reassembly" > "Opening the Caps and Moving

the Wiper Unit".

(3) Remove the shaft cleaner and detach the tube holder cover.

[2]

[1]

[2]

F-4-15

[3]

[4]

F-4-16

[3]

[4]

Chapter 4