146
n Paper Ejection Section
chap.2
2Paper jamming on the ejection side
JAM1: The bottom end of the paper is not ejected.
When the jam sensor (light-emitting and light-receiving) is interrupted at the timing of jam detection
position edge (photopassing \ photointerrupting) of the drum home / jam detection position sensor
PS5.
JAM2: The tip end of the paper is not ejected.
When the JAM sensor is not interrupted at all while the P roll sensor is in the state of photopassing
(pressed ON).
JAM (stop): When the JAM sensor is interrupted as the master ejection box is open when the machine stops.
The display is cleared when the sensor is in the state of photopassing.
2Paper jamming on the feeder side
JAM3: The paper does not pass the signal lever though the paper is fed. The P roll sensor is not in the state of
photopassing when the drum rotates twice after the paper feed solenoid is ordered ON.
1. Paper Jam Detection Timing
Description
Paper jamming is divided into two types: "PAPER JAM ON THE EJECTION SIDE" and "PAPER JAM ON
THE FEEDER SIDE". Paper jamming is detected under the following conditions. When paper jamming is
detected, "PAPER JAM"(ejection side or feeder side) is displayed on the error display panel on the control
panel and the machine stops printing operation. The display is cleared by removing the cause of paper jam
and pressing the stop key or by restarting printing.
Sequence of Operation
Jam detection position edge
P roll sensor
Drum home / Jam detection position sensor
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