Question about Ricoh Aficio CL7100 Printer
I ' ve already changed the yellow drum and yellow drum sensor but the error code does'nt disappear...
That code is color drum motor lock (cmy). 440-1 is for black. Pull each drum unit out and look at the drum surface if one is not turning good it will have toner all over it. Could be that the drum is full of waste toner, but usually it is a backed up waste toner auger system. If that machine uses a fuser oil the oil has leaked down into the waste toner auger system and clogged it up.
Posted on Jun 22, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The Yellow ATC Sensor detects a low TC (toner concentration).
- Check that Toner/Developer is present.
- Check the Yellow ATC Sensor for contamination. Ensure that the sensor is seated correctly.
To clear this fault, enter Component Control and set the value of NVM location 752-109 to 0.
This can be caused by many things. I've seen broken Drum contacts from improper drum installation causing Developer bead carryover. Toner dispense motor assy's failing. Developer Housing failure. DVHVPS failure.
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