HP color laserjet 2550 series Manuale Di Servizio
Step 12: drum cleaning
The cleaning blade scrapes the residual toner off of the photosensitive drum, where the
waste toner screws collect the toner and deposit it into the waste toner case.
waste toner screws collect the toner and deposit it into the waste toner case.
Figure 4-27.
Step 11: drum cleaning
Print cartridge
The printer has four print cartridges: yellow, magenta, cyan, and black. Each print cartridge
contains a developing cylinder, toner-feed roller, and stirrer. The developer motor rotates
these parts so that each print cartridge can use toner to form a visible image on the drum.
contains a developing cylinder, toner-feed roller, and stirrer. The developer motor rotates
these parts so that each print cartridge can use toner to form a visible image on the drum.
The carousel motor rotates the E-label reader, which communicates E-label information to
the dc controller.
the dc controller.
ENWW
Image-formation system
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