Connecting The Vacuum Gauge To The Printer - Xerox Phaser 840 Service Manual

With a flashlight, closely examine the cap/wipe/purge assembly. Inspect
c.
the gasket for defects and signs of separation.
Tilt the printhead all the way back and raise the cap/wipe/purge assembly
d.
to its purge position. Inspect the rubber wiper, especially at the ends, for
signs of separation. Gently probe the cap/wipe/purge assembly gasket
with fingers or a blunt tool for signs of damage or separation from the cap
assembly. Replace if defective. Refer to SF147.
5. Check vacuum and decay time. For the Phaser 860 do not perform
this step, see the next page.
the between the vacuum/pump module and the cap/wipe/purge unit.
Fig 3-4 Connecting the vacuum gauge to the printer
Always use a vacuum gauge to test the performance of the
Note
vacuum system. Simply listening for the "kiss" sound at the end
of a purge cycle as the printhead separates from the
cap/wipe/purge assembly gasket is not enough to verify the
vacuum system's performance.
3-108
With a T-connector, connect the vacuum gauge to
2 0
4 0
0
6 0
- 7 6
Vacuum guage
T-connector
Vacuum
assembly
Cap/wipe/purge
vacuum hose
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