Canon PC980 Service Manual - Page 139

CHAPTER 5 PICK-UP/FEEDING SYSTEM 3. Single-feeder Pickup Delay Jam After being detected by the single-feeder paper sensor, if copy paper does not reach the pre- registration roller sensor within a specific period of time, the machine will identify the condition as a single feed pickup delay jam, stop the operation immediately, and flash the Jam indicator. Copy paper inserted STBY INTR SCFW Single-feeder paper sensor (PS5) Jam check Pre-registration roller paper sensor (Q751) Main motor (M1) 5.1 sec Jam 1.5 sec Figure 5-119 4. Vertical Path Stationary Jam If copy paper fails to move past the vertical path roller paper sensor within a specific period of time because of faulty feeding, the machine will identify the condition as a vertical path stationary jam, stop the operation, and flash the Jam indicator. SCRV SCFW indication SCRV Cassette pickup solenoid (SL5) Jam check Vertical path roller paper sensor (PS4) Main motor (M1) 0.5sec Normal Figure 5-120 0.5sec Jam 1.5sec COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-15