Printhead - Xerox Phaser 840 Service Manual

Printhead

Even when the printer is turned off, AC line voltages may be
Warning
present at the printer heaters while the printer is plugged into AC
power.
The printhead is hot.
Warning
Turn off the printer and remove the power cord.
1.
Remove the right cover and the left cover.
2.
Disconnect the head-tilt spring.
3.
Remove the top cover.
4.
Remove the ink loader.
5.
Remove the metal heat duct from over the printhead.
6.
Disconnect the power wiring and data harnesses leading from the printhead to the
7.
power control board. Also disconnect the two ground wires from the printer frame.
Carefully plug the printhead's reservoir chamber holes with the silicone plugs. The
8.
plugs keep liquid ink from spilling if you should inadvertently tip the printhead.
Fig 7-15 Plugging the reservoir holes
7 - 196 Phaser 840/850/860/8200 Color Printer - Service Manual
Disconnect
Silicone
reservoir
plugs