Canon DADF-Q1 Service Manual Download

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Chapter 2

2-49

0012

pre-reversal delay 2

PI4

At time of pre-reversal, the pre-reversal sensor does not detect an original when the reversal motor stops.

0013

pre-reversal stationary 1

S1,S4

At time of pre-reversal, the separation sensor detects the original when it has been moved over a specific
distance (169 mm) after the reversal sensor has gone on.

0014

pre-reversal stationary 2

S2,S4

At time of pre-reversal, the pre-registration roller sensor detects the original when it has been moved
over a specific distance (120 mm) after its trail edge has moved past the separation pull-off roller.

0015

pre-reversal stationary 3

S2,S3

At time of reversal, the post-registration sensor detects the original when it has been moved over a
specific distance (50 mm) after its trail edge has moved past the pre-registration roller sensor.

0016

pre-reversal stationary 4

S1,S3

At time of pre-reversal, the reversal sensor detects the original when it has been moved over a specific
distance (100 mm) after the start of the reversal motor.

0017

pre-reversal
pickup delay

At time of pre-reversal pickup, the reversal sensor does not detect the original when it has been moved
over a specific distance (100 mm) after the start of the reversal motor.

0018

pre-reversal pickup stationary 1

S1,PI4

At time of pre-reversal pickup, the pre-reversal sensor detects the original when it has been moved over
a specific distance after the reversal sensor has detected its lead edge.

0019

pre-reversal pickup stationary 2

S1,PI4

At time of reversal pickup, the reversal sensor detects the original when it has been moved over a specific
distance after the pre-reversal sensor has detected its trail edge.

0020

reversal pickup delay

At time of reversal, the pre-registration roller sensor does not detect the original when it has been moved
over a specific distance (197 mm) after the end of arching.

0021

reversal pickup stationary

At time of reversal, the pre-registration sensor detects the original when it has been moved over a specific
distance (original length x 1.5 mm) after the pre-registration roller sensor has gone on.

0022

pickup lead edge skew

S4,S5

At time of separation, there is a discrepancy of 10 mm in timing of lead edge detection between
separation sensor and skew sensor.

0023

pickup trail edge skew

S4,S5

A time of pickup, there is a discrepancy of 10 mm in timing of trail edge detection between separation
sensor and skew sensor.

0024

pickup NG1

At time of pickup, the reversal sensor detects the original before it has moved past the pre-registration
roller sensor.

0025

pickup NG2

S3,S2

At time of pickup, the post-registration roller sensor detects an original before the reversal motor has
started.
At time of pickup, the pre-registration roller sensor does not detect the original when it has been moved
over a specific distance.
At time of pre-reversal, the post-registration roller sensor detects an original before the reversal motor
has started.
At time of reversal, the pre-registration roller sensor does not detect the original when its trail edge
moves past the reversal sensor.

0026

reversal pickup edge skew

S4,S5

At time of pre-reversal, there is a discrepancy of 10 mm in timing of trail edge detection between
separation sensor and skew sensor.

0027

reversal pickup NG1

PI4

At time of reversal, the pre-reversal sensor detects an original while the machine waits for the activation
of the pre-registration roller sensor.

0030

manual feed registration delay

At time of arching in manual feed mode, the manual feeder registration roller sensor does not detect an
original within a specific time after the start of the delivery motor.

0031

manual feed registration stationary

In manual feed mode, the reversal sensor does not detect the original when it has been moved over a
specific distance (638 mm) after the start of the belt motor.

0032

manual feed reversal stationary

In manual feed mode (platen roller), the reversal sensor detects the original when it has been moved over
a specific distance (50 mm) after the start of the belt motor.

0033

manual feed delivery delay

PI13

At time of delivery in manual feed mode, the delivery sensor does not detect the original when it has
been moved over a specific distance (621 mm - original length).

0034

manual feed delivery stationary

PI13

At time of delivery in manual feed mode, the delivery sensor does not detect the original after it has been
moved over a specific distance (621 mm - original length).

0043

1st sheet pickup stationary 1

A pickup stationary 1 condition (0003) has occurred on the 1st sheet.

0044

1st sheet reversal delay

A pickup stationary 2 condition (0004) has occurred on the 1st sheet.

Code

Sensor type

Sensor
notation

Description