Olivetti d-Color MF920 Service Manual

2-36 Service Manual
Duplex/manual feed sensor (S1) service check
Note: Before performing this service check, ensure that the printer is on a hard level surface.
Step Questions / actions Yes No
1 Enter Diagnostics Menu (turn the printer off,
press and hold and , turn the printer on,
and then release the buttons when the
installed memory and processor speed
displays).
Perform the Base Sensor Test. See “Base
Sensor Test” on page 3-18.
1. Select Base Sensor Test, and press
Select ().
2. Select S1, and press Select ().
3. Install tray 1.
Does the display indicate InputS1—Media
Clear…?
Go to step 2. Go to step 4.
2
Pull tray 1 out.
Does the display indicate InputS1—Media
Present…?
The sensor is functioning
correctly.
Go to step 3.
3
Remove the tray, and inspect sensor.
Is there something obstructing the sensor?
Remove the obstruction and
restart the test.
Go to step 4.
4
Inspect the spring-loaded shaft/flag in the tray.
The flag portion of the shaft intercepts the
sensor, except when a sheet is being staged
for duplexing.
Does the shaft rotate freely and return to home
position (flag at top of rotation)?
Go to step 5. Replace the tray with a new
one.
5
Is the flag on the shaft broken? Replace the tray. Go to step 6.
6
Is the cable correctly connected to JFUSES1
on the controller board and to the sensor.
Is the sensor cable properly connected?
Go to step 7. Reconnect the cable.
If the problem persists, go to
step 7.
7
Turn the printer off, and remove the rear
shield. See “Rear shield removal” on
page 4-7. Turn the printer on, and check the
values at JFUSES1:
Are the values approximately correct?
Replace the duplex sensor.
See “Duplex sensor
removal” on page 4-23.
Replace the controller
board. See “Controller
board removal” on
page 4-18.
JFUSES1
Pin Value
8 Ground
9 +3.3 V dc
Y112730-2

Olivetti d-Color MF920 Specifications

General

Brand	Olivetti
Model	d-Color MF920
Category	All in One Printer
Language	English