Lexmark C720 Service Manual - Page 156
Waste Toner Feed Service Check, Waste Toner Auger U
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5024-001 Waste Toner Feed Service Check FRU 1 Check Installation 2 Drum Cleaner Roll 3 Toner Waste Holder Assembly 4 Waste Toner Auger U Spring (Upper) 5 Waste Toner Feeder (Lower) Action Ensure the cleaning roller is installed. If you are receiving an error message, go to "Symptom Tables" on page 2-32, for more information. Inspect the cleaning roll for damage or paper. Clean or replace, if necessary. Inspect the toner waste bottle for overflow. If the bottle is overflowing and no operator message is displayed, go to "Operator Messages" on page 2-9 for checking sensors. If the waste toner sensors are good, inspect the waste toner assembly and replace, if necessary. Check the waste toner auger U spring for breakage or damage. This spring transports the waste toner from the drum cleaner roll to the waste toner bottle. Ensure the waste toner feeder (Lower) is not damaged and the waste tube is not blocked. 2-76 Service Manual
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