SOURCE: My printer is telling me to 'replace the bk dev unit (type d) hel
Internal counters control this. Yes! There are 4 of these units: Black, Cyan, Magenta, Yellow, and also 2 drums (Black and colour) You can continue to use the machine. You will likely see a deterioration in quality before long. You will have to contact a Supply company to acquire the units, but you can replace them yourself. Here is a link to the manual if you don't have one:
http://www.ricoh-usa.com/downloads/manuals/printers/cl7000/manuals/CL7000%20Printer%20Maintenance%20Guide.pdf
Hope this helps.
SOURCE: Replace Color Dev. Unit (Type B) alert
You stated message said replace dev units. Why did you replace the PCU's? There is a difference. The color pcu's can go into any color slot but the deverloper units can only go in one slot. The dev units have a u shaped green plastic part on the front of them and just slide out. The pcus have a little lever and have to be released.
1. Defective electrical connection for the TD sensor.
2. TD sensor not installed correctly
1. Take out the dev unit
and put it back in. If that
does not work, replace
the dev unit.
2. Press the TD sensor
firmly against the frame
of the development unit.
Hi
Error code E 020 0181 means that the patch sensor has turned bad or is dirty, to access this try removing eac dev unit and gently unscrew each top so that the patch sensor window is visible. Also, check whether the toner hopper is overfull, it happens sometimes that the toner motor worm gear splits as a result of the hopper becoming packed tight. This may cause the worm gear to split and break if the hopper is 1/2 full or less. You may need to replace toner motor, part number (FH7-1762-030). If the toner motor is fine, then check whether the web solenoid is activating. Clean the web solenoid and ensure free action. This would clear error E020. If the error still not disappears then make sure that the DC controller is fine and the connections from the controller are fine.
Hope this helps...
Daniel
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