Canon DR-2580C Service Manual page 110

CHAPTER 5 TROUBLESHOOTING
5. Individual Adjustments
This section describes the following indi-
vidual adjustment items. If all the two adjust-
ments are performed, use [All Adjustment].
[Regist Adjustment]
•
[Document Sensor Adjustment]
•
Figure 5-207
5-6
a. Regist Adjustment
The reading position is adjusted in this
mode. Execute this mode if the leading
edge and trailing edge of a read image are
faulty.
Operating Procedure
•
1) Set a piece of regular white copy paper
(A4/LTR). Set the document guide posi-
tion to the paper.
2) Select [Regist Adjustment] on the service
screen.
3) The adjustment starts automatically. The
progress screen appears on the display.
4) When the adjustment is finished, the pro-
gress screen disappears and the service
screen appears.
b. Document Sensor Adjustment
The detection level of the document board
sensor is adjusted in this mode. Execute
this mode if there is a problem with
document detection when a document is
set.
Since this sensor is affected by stain on
the sensor window and the external light,
the sensor window should be cleaned and
external light should be adjusted to the
using state when executing this mode.
Operating Procedure
•
1) Clean the document board sensor win-
dow.
2) Select [Document Sensor Adjustment] on
the service screen.
3) The adjustment starts automatically. The
progress screen appears on the display.
4) When the adjustment is finished, the pro-
gress screen disappears and the service
screen appears.
COPYRIGHT © 2005 CANON ELECTRONICS INC. CANON DR-2580C FIRST EDITION APR. 2005