C800 Series Setup Guide
  5
5  Slide right edge of toner cartridge 
down into image drum (b).
6  Push the lock lever toward the back of 
the printer 
as far as it will go (c). 
Note:
Important!
 If TONER SENSOR ERROR 
appears when you turn on the printer, 
the lever for the toner cartridge color 
indicated is not pushed all the way 
back.
7 Repeat these steps for each of the 
remaining toner units.
8  Close the top cover. 
Load Paper
1 Pull out the paper tray.
2 Load paper long edge feed (LEF) (1) up 
to the mark (a) (letterhead paper face 
down and top edge towards the right of 
the printer).
3 Adjust the rear stopper, paper guides (b) 
and cassette tray roller (c) to the size 
and orientation of paper being used. For 
A6 paper, remove and re-install in the A6 
position.
4 Close the paper tray.
a
b
c
a
b
c