Dcon Check - Canon DR-2580C Service Manual

6. Dcon Check

This mode is used when checking the
operation of the hardware controlled with the
control PCB.
Operation screen
•
When [Dcon Check] is selected on the
service screen, the operation screen is
displayed.
Figure 5-208
a. Job buttons
When the job button is pressed, the cor-
responding mark lights.
Figure 5-209
COPYRIGHT © 2005 CANON ELECTRONICS INC.
b. Sensors
Note 1: If the upper unit or the rear cover is
Note 2: "USS Double Feed Detection" at the
Mark
CANON DR-2580C FIRST EDITION APR. 2005
CHAPTER 5 TROUBLESHOOTING
When sensors enter the detection state,
the corresponding mark lights. The case
where the shading sensor enters the de-
tection state is shown below.
Figure 5-210
open, the registration sensor function
is invalid and its display is not correct.
lower left side of the screen does not
need to be used until the ultrasonic
sensor is installed.
The contents of marks are shown below.
Sensor name
Upper opening
sensor
Registration
sensor
Document
board sensor
Shading sensor
Pre-registration
sensor
Rear cover
sensor
Table 5-202
Lighting state
The upper unit is
open.
The registration
sensor detects a
document.
A document is set.
The reading unit
(lower) is at the
shading position.
The pre-registration
sensor detects a
document.
The rear cover is
open.
5-7