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
.
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
. Turn the printer on, and check the
values at JFUSES1:
Are the values approximately correct?
Replace the duplex sensor.
See
Replace the controller
board. See
JFUSES1
Pin
Value
8
Ground
9
+3.3 V dc
Y112730-2
Содержание d-Color MF920
Страница 1: ...SERVICE MANUAL Copiatrici Copiers d Color MF920 d Color MF923 Code Y112730 2...
Страница 10: ...x Service Manual Y112730 2...
Страница 15: ...Notices and safety information xv Y112730 2...
Страница 16: ...xvi Service Manual Y112730 2...
Страница 18: ...xviii Service Manual Y112730 2...
Страница 22: ...xxii Service Manual Y112730 2...
Страница 124: ...2 80 Service Manual Y112730 2...
Страница 198: ...3 74 Service Manual Y112730 2...
Страница 203: ...Repair information 4 5 4 Remove the three screws A on the rear side of the left cover A Y112730 2...
Страница 211: ...Repair information 4 13 9 Remove the two springs D 10 Remove the two screws E on the bottom Y112730 2...
Страница 234: ...4 36 Service Manual 4 Snap the new gear onto the shaft D The installation is the same as the old gear Y112730 2...
Страница 288: ...4 90 Service Manual 6 While holding the op panel mounting assembly remove the op panel bezel cover Y112730 2...
Страница 302: ...4 104 Service Manual Y112730 2...
Страница 305: ...Locations 5 3 Interior view Y112730 2...
Страница 306: ...5 4 Service Manual Printer boards Controller Board Y112730 2...
Страница 317: ...Locations 5 15 HVPS Y112730 2...
Страница 319: ...Locations 5 17 LVPS Y112730 2...
Страница 324: ...6 2 Service Manual Y112730 2...
Страница 331: ...Index I 7 Y112730 2...
Страница 332: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 09 2010 1ST EDITION 332 Y112730 2...