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The level of the ink in the reservoir is kept at a constant level. If the pressure purge
tubing is pinched, the printhead may not purge properly. In addition, because the
purge tubing also acts as a vent to atmosphere when not purging, a more serious
failure can occur if the ink overfills and the reservoir cannot vent properly.
Warning
When servicing the printer be careful of the purge system as it passes the
printhead. If a damaged wiper blade of the purge system catches on the
printhead, it could propel hot liquid ink upward into your face.
Theory of Operation
Printhead
(Open During Wiper Action)
Wiper Assembly
Drum
Wiper
Purge Tube
Solenoid Valve
Purge Pump
Printhead
30 Sec
s2424-043
2-39
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Troubleshooting
