Olivetti DR N17, Service Manual

Page: 141 / 558

687200Q Service Manual 5-29
5.2.1.2 Sensor Input Test
This diagnostic test allows you to check the function of the sensors and switches. In this mode, the num-
ber on the LCD (at the rightmost position on the bottom line, (as shown in step 2 below), increments by
one each time the transition of the signal from any sensor or switch is detected. You can check the func-
tion of the sensors and switches from this change of the number. The sensors and switches checked by
this input test are as follows:
• Keypad keys on the Control Panel (except ITEM UP (2))
• Exit Sensor
• Duplex Sensor*
• Registration Sensor
• Paper Size Sensor (Trays 1, 2* and 3*)
• No Paper Sensor (Trays 1, 2*, 3*, MBF Tray and Envelope*)
• Front Cover Interlock Switch
• Rear Cover Interlock Switch
• EP Cartridge Sensor
• Toner Empty Sensor
• Full Stack Sensor
• Full Stack (OCT) Sensor*
• OCT Home Sensor*
• OCT Exit Sensor*
NOTE: The sensors marked with (*) are sensors of optional units.
Execute Sensor Input Test:
1 Enter Diagnostics Mode 1. The LCD displays PRINT COUNTER OPERATION indicating the
printer is in Diagnostics Mode 1.
2 Press the MENU UP (1) or MENU DOWN (5) key until the LCD displays SENSOR INPUT TEST.
3 Press the ENTER key to run the test. The INPUT COUNTS message is displayed on the LCD,
and now you can check the sensors and switches. Press ITEM UP (2) again to stop the input test
and return to the state in which the test is selected
.
SENSOR INPUT
TEST
SENSOR INPUT
Input Counts XX