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Latch Mechanism; Overview; Jam Detection; Servicing Work - Canon K1 Service Manual

Buffer pass unit
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Technology > Controls > Servicing Work > Periodically replaced / consumable parts

Latch mechanism

■ Overview

There is a latch mechanism in the Buffer Lower Cover, and releasing the latch opens the
cover in a downward direction. When the Decurler HP Sensor is in the home position (= when
the Decurler Roller is disengaged), the cover opens.
Home
Pressing
Position
SR4
SR4
● Engagement/Disengagement timing
Status of decurler
Engaged
At pickup in a job in which paper is delivered to a finisher (at re-pickup in case
of duplex printing)
Disengaged
At occurrence of a jam
At warm-up rotation after power-ON
At completion of printing
At introduction of a print job in which paper is delivered to the First Delivery
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Technology > Controls > Servicing Work > Periodically replaced / consumable parts

Jam detection

■ Overview
Sensors that detect jam in the Buffer Path are shown below.
[PS2]
● Types of jam
Sensors that detect jam and their detection timing are shown below.
Types of jam
Sensor
Delay jam
PS1
PS2
Stationary jam
PS1
F-2-5
PS2
Power-on jam
PS1
PS2

Servicing Work

■ Periodically replaced / consumable parts

There is no periodically replaced / consumable parts.
T-2-3
[PS1]
PS1
Buffer Inlet Sensor
PS2
Buffer Outlet Sensor
T-2-4
Jam code
Detection timing
0111
When the sensor does not turn ON within a specified
period of time
0112
0211
When the sensor does not turn OFF within a specified
period of time after sensor turns ON
0212
0A11
When paper remains after each sensor checks for any
0A12
remaining paper at power-on/opening the door
2-4
F-2-6
T-2-5
2-4

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