Olivetti d-Copia 1600, Service Manual

Page: 62 / 242

2HA/2HB
1-3-30
U099
Checking the original size detection
Description
Displays the original width detection data and sets the original width detection threshold.
Purpose
To check the original width detection. Also to change the original size detection threshold if the size of the orig-
inal on the contact glass is detected incorrectly.
Start
1. Press the start key.
2. Select the item using the exposure adjustment keys
3. Press the start key. The machine enters the execution mode.
Method to display the original width detection data
1. Place an original on the contact glass and turn the original detection switch on. The exposure lamp turns
on and the width of the original is detected. The scanner data taken at the nine points from (1) at the
machine rear to (9) at the machine front is displayed. The data is displayed within the range of 000 to
255, 000 indicating white (original present) and 255 indicating black (no original).
2. Change the point to display the detection data using the exposure adjustment keys. For the correspon-
dence between the detection point and the exposure indicators, see Figure 1-3-14.
Figure 1-3-14
3. Press the stop/clear key. The selected item appears.
Maintenance
item No.
Description
Display Description
dA Checking the original width detection data
LE Setting or checking the original width detection threshold
1 2 3
4 5 6
7 8 9
Point Exposure indicator
1 exp. 1 (lit)
2 exp. 2 (lit)
3 exp. 3 (lit)
4 exp. 4 (lit)
5 exp. 5 (lit)
6 exp. 1 (flashing)
7 exp. 2 (flashing)
8 exp. 3 (flashing)
9 exp. 4 (flashing)