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For the following units, there is a new unit
detection mechanism. It is not necessary to reset
PM counters.
PCDU
Development unit only (not the complete PCDU)
PCDU Toner Collection Bottles (if full or near-full)
ITB Cleaning Unit with ITB Waste Toner Bottle (if
full or near-full)
Slide 353
PCDU
This contains the drum unit and the development unit.
The development unit contains the new unit detection mechanism for the PCDU.
It uses the ID chip.
So, if you replace the PCDU, or the development unit only, the machine detects
the new unit automatically and resets the counters.
If you replace the development unit only, set 3902 001 (K), 002 (C), 003
(M), or 004 (Y) to 1 before you switch off the machine. If you forget this,
then the drum counters will be reset when you turn the machine on again.
But if you replace the drum unit only, then you must reset the counters (see the
next slide).
Toner Collection Bottles
If the bottle is full or near-full, the counters are reset when the bottle is replaced
or emptied.
The counters are reset after the cover is closed.
But the counters are not reset if you replace a bottle that is not full or near-full.
You must reset the counters manually (see the next slide).
New Unit Detection
353
Di-C1.5 Training
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