Diagnostic aids 3-17
Lexmark confidential until announce edited 1/4/2007 7100-XXX
Step 6: Clean/Erase
There are two main cleaning processes that take place during the EP Process. One process cleans the
photodeveloper and the other cleans the transfer unit.
Photodeveloper clean/erase
After each plane of color has been transferred to the transfer unit from the photodeveloper, a cleaning
blade scrapes the remaining toner from the surface of the photodeveloper while an erase lamp
discharges the remaining voltage. This is the clean/erase process.
The photodeveloper surface is prepared to begin the EP cycle once again. This cleaning/erasing cycle
happens after each plane of color is transferred to the transfer unit.
Look at callout 6 in the picture below. This is where the photodeveloper is cleaned and erased in the
photodeveloper phase of the clean/erase step of the EP process.
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