Epson Action Laser Action Laser User Manual page 32

Assembling the Printer
13. Pressing down on the toner cartridge to hold it firmly in place,
pull out the film. (Pull the film up and out toward the back of
the printer.) Pull firmly until the other end of the film comes out
of the cassette.
14. Insert the drum replacement cartridge in the slot at the right rear
comer of the printer frame (with the printer cover open). Make
sure that the indicator light faces the front of the printer. Press
down on the cartridge until it is inserted all the way.
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Setting Up the Printer