Dimensionsb|a-c|Measurement*8.5±0.5mm0.5 mm or less3. Adjusting the Lower Roller Pressure (nip)The nip width must be as indicated in Table 11-203. Otherwise, adjust it by turningthe pressure adjusting nut.Figure 11-245Note:a and c represent points 10 mm from both ends of copy paper.*Take measurements when both upperand lower rollers are adequately warm.Table 11-203a. Taking MeasurementsWait 15 min after the end of the machine’s warm-up period; then, make 20 A4 copiesbefore taking measurements.1) Select A3.2) Open the copyboard cover.3) Start service mode ( ), and select ‘NIP’ (nip adjustment).4) Press the user mode key ].• A3 copy paper is picked up and discharged as shown in Figure 11-245 ready formeasurement.Reference:The paper is discharged halfway out. It is then discharged in about 20 sec.5) Measure the nip.]4]FeedingdirectioncaA3 paperCenter ofpaperbCHAPTER 11 TROUBLESHOOTING11-39COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
