Sharp FO-2150CM Техническое руководство - Страница 17
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2. Envelope Feed Service Check
FRU
Envelope Guide
1
3. Maintenance Station Service Check
The maintenance station has two functions:
•
Cleans the printhead nozzles during the print operation.
•
Seals the printhead when it is not being used to prevent the nozzles from drying.
FRU
Maintenance Station
1
Assembly
2
Wiper
3
Cap
Action
Be sure the envelope guide has been turned to the envelope load
position.
Be sure the envelope guide is against the envelopes.
Perform the 'Paper Feed Service Check'on page 4.
Action
As the carrier moves to the right over the maintenance station,a slot on
the bottom of the carrier engages a tab on the sled of the maintenance
station causing the cap to rise and seal the printhead. Carrier move-
ment to the left uncaps the printhead. The wiper cleans the printhead
nozzles as the carrier leaves the maintenance station. The wiper
cleans the printhead only when the carrier is moving to the left. There
should be no wiping action of the printhead nozzles when the carrier is
moving to the right. After the cleaning operation is complete,a tab on
the maintenance station engages a tab on the carrier,causing the wiper
to lower.
Check the maintenance station for worn or broken parts.
A worn wiper causes degraded print quality just after a maintenance
cleaning. Check for a loose or worn wiper.
A worn cap causes the printhead nozzles to dry and clog. Check for a
loose or worn cap.
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UX-2200CMU/CMC
FO-2150CMU/CMC