Cap/Wipe/Purge Assembly (Phaser 840 Printer) - Tektronix PHASER 840 Service Manual

Cap/wipe/purge assembly (Phaser 840 printer)

Warning
Even when the printer is turned off, AC line voltages may be
present at the printer heaters while the printer is plugged into AC
power.
1. Remove the right cover. Remove the left cover.
2.
Disconnect the head-tilt spring.
3. Remove the top cover.
4.
Remove the ink loader.
5. Disconnect the wiring harness leading from the cap/wipe/purge
assembly to the power supply wiring harness. Clip the tie wraps and
disconnect the vacuum hose leading to the vacuum/pump module.
6. Tilt back the printhead and center it.
7.
Rotate the cap wipe drive gear to position the cap/wipe/purge
assembly 25 mm (1 in.) from the top of its travel.
8. Place a few sheets of paper between the drum and the cap/wipe/purge
assembly to prevent scratching the drum.
9.
Remove the right timing belt's lower pulley to create slack in the right
timing belt.
10.
Remove the metal vacuum line from the assembly.
11. Remove the wiring from the right cap/wipe/purge assembly bracket.
12.
Push the wiring through the print engine's frame so that you can
unloop it from the cap/wipe/purge assembly.
13. While holding onto the cap/wipe/purge assembly, remove the three
pin screws that hold the cap/wipe/purge assembly in the grooves on
each side of the print engine.
Reverse these steps to reinstall the cap/wipe/purge assembly. Refer to "Wiring
Diagrams" on page 191 for details on dressing the cap/wipe/purge wiring.
148
Phaser 840 and 850 Color Printers