Page 27 - MF3010Series Service Manual (Rev.0) (1)-017-045 (1)

2 Technical Overview > Pickup Feed System > Service Works > Notes on service works
2-28

● Initial Paper Presence Jam when Printing Service Works
When the Fixing Delivery Sensor (PS701) or the Paper Width Sensor (PS702) detects
presence of paper immediately before the Main Motor (M1) starts rotating, it is judged as a ■ At parts replacement
delivery stationary jam. No work is required for this product at parts replacement.

● Door Open Jam ■ Maintenance
When printing is interrupted by door-open detection during printing, it is judged as a door
open jam if there is paper at the Paper Leading Edge Sensor (PS751) or the Fixing Delivery No periodically replaced parts, durable parts or periodical service is set for this product.
Sensor (PS701). At this time, if the jam status already indicates a jam, the jam status is
retained. ■ Notes on service works
None.
● Initial Paper Presence Jam during Warm-up Rotation
When the Paper Leading Edge Sensor (PS751) detects absence of paper at the start of
warm-up rotation and the Fixing Delivery Sensor (PS701) or the Paper Width Sensor (PS702)
detects presence of paper, it is judged as an initial paper presence jam.

● Paper Absence Detection during Cleaning
ON
Pickup Solenoid (SL1)
OFF
200 1370msec
msec
Paper Leading Edge OFF
Sensor (PS751) ON

Paper Detection Period

Jam
F-2-32
When the Paper Leading Edge Sensor (PS751) cannot detect presence of paper within 1370
msec. after 200 msec. from the start of paper pickup, it is judged as paper absence.

2-28
2 Technical Overview > Pickup Feed System > Service Works > Notes on service works