Olivetti d-Copia 1600 Service Manual page 90

2HA/2HB
Maintenance
item No.
Checking/clearing the time for the exposure lamp to light
U990
Description
Displays or clears the accumulated time for the exposure lamp to light.
Purpose
To check duration of use of the exposure lamp. Also to clear the accumulated time for the lamp after replace-
ment.
Method
1. Press the start key.
2. Select the item using the exposure adjustment keys.
Exposure indicator
Exp. 1
Exp. 2
Exp. 3
Clearing
1. Light exp. 3.
2. Press the start key. The accumulated time is cleared, and the indication for selecting a maintenance
item No. appears.
Setting
1. Change the accumulated time using the numeric or zoom +/- keys.
2. Press the start key. The accumulated time is set, and the indication for selecting a maintenance item No.
appears.
Completion
Press the stop/clear key. The indication for selecting a maintenance item No. appears.
Checking the scanner count
U991
Description
Display the scanner count value.
Purpose
To check the scanner count value.
Method
1. Press the start key.
2. Select the item using the exposure adjustment keys.
Exposure indicator
Exp. 1
Exp. 2
Completion
Press the stop/clear key. The indication for selecting a maintenance item No. appears.
1-3-58
Description
Copy quantity display
First 3 digits of the lamp-on time (minutes)
Last 3 digits of the lamp-on time (minutes)
Clearing the lamp-on time (CLE)
Copy quantity display (count value)
First 3 digits of the scanner count
Last 3 digits of the scanner count