Cassette Paper Sen-
sor
Cassette Paper Surface
Sensor
Cassette Paper Level Sen-
sor
Paper level
Display on
the Control
Panel
OFF
ON
ON
Approx. 50 sheets or less
The control that switches the paper level display on the Control Panel is as follows:
• When the icon displayed on the Control Panel shows 3 bars or 2 bars:
The paper level is detected based on the time for which the Cassette Lifter Motor remains ON. Or, the paper level is detected
based on the time from when the Cassette Paper Sensor is turned ON to when the Cassette Paper Surface Sensor is turned
ON.
The paper level during paper feed is detected based on the signal status of the Cassette Paper Level Sensor that changes as
the Cassette Lifter Plate is lifted up.
NOTE:
Related service mode:
*: The level of paper in the cassette is displayed by executing the following service mode.
When to change the icon from "3 bars" to "2 bars" can be adjusted.
Level 2 > COPIER > ADJUST > CST-ADJ > CST-VLMX (Adjustment of the threshold value for detecting the level of paper
in the Cassette X)
X indicates the cassette number (1 to 4).
• When the icon displayed on the Control Panel shows 2 bars or 1 bar:
The icon displayed on the Control Panel changes to "1 bar" when the Cassette Paper Level Sensor is turned ON.
Lifting Plate
Detection Lever
Paper Detection Lever
Lifting Plate
Lifter Gear
Paper Level
Detection Lever
Cassette Paper
Level Sensor
Cassette Paper
Surface Sensor
Cassette
Lifter Motor
Cassette
Paper Sensor
2. Technology
15
Summary of Contents for AK1
Page 1: ...Revision 2 0 Cassette Feeding Unit AK1 Service Manual ...
Page 8: ...Product Overview 1 Overview 4 ...
Page 12: ...Technology 2 Basic Configuration 8 Controls 12 ...
Page 24: ...Periodical Service 3 List of Periodical Service Works 20 ...
Page 62: ...Adjustment 5 Pickup Feed System 58 ...
Page 68: ...APPENDICES Service Tools 64 General Circuit Diagram 65 ...