5–10INSTALLATIONCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)6) Set the paper size plates selected in step 4).Figure 5-205Caution:If you are setting the plate for the positionrepresenting the universal (U) cassette, youmust perform the work described for “universalcassette paper size setting (505); see p. 3-131.nnnnn Points to Note When Handling the Photo-sensitive Drum after InstallationThe copier’s photosensitive drum is highly sus-ceptible to light; mere exposure to room light canaffect the drum enough to produce white spots orblack lines on the copies. Keep the following inmind:• Do not spend more than 5 min when removingjams.• After detaching the drum unit from the copierduring servicing work, be sure to protect it inthe light-blocking sheet that came with thedrum or fresh copy paper, and place the drumin a dark place.Do not touch the photosensitive drum or primarycharging roller.If you have soiled the surface of the druminadvertently, wipe it using a flannel cloth coatedwith toner; do not use paper, lint-free or otherwise.Do not dry wipe or use solvent to clean the drum.After setting the size plate, make sure it correspondsto the paper size you have selected.
