Diagnostic information
2-43
Operator panel display blank, printer
beeps
five times and pauses
2
Turn the printer off, and remove the rear
shield. See
. Disconnect the operator panel
assembly cable at JOPP1 on the controller
board. Turn on the printer, and verify the
following voltages:
Are the voltage values approximately correct?
Go to step 3.
Replace the controller
board. See
3
Check continuity of the operator panel
assembly cable.
Is there continuity?
Replace the operator panel
assembly. See
.
Replace the operator panel
cable. See
Step
Questions / actions
Yes
No
1
Turn off the printer, and remove the rear
shield. See
. Disconnect the cable at JOPP1 on
the controller board. Verify the following
values:
Are all these values approximately correct?
Go to step 2.
Replace the controller
board. See
2
Check for continuity in the operator panel
cable connector.
Do all the conductors indicate continuity?
Replace the operator panel.
See
Replace the operator panel
cable. See
Step
Questions / actions
Yes
No
JOPP1
Pin
Voltage
2
+5 V dc
4
Ground
5
+5 V dc
6
+3.3 V dc
7
Ground
JOPP1
Pin
Voltage
1
0 V dc
2
+5 V dc
3
0 V dc
4
Ground
5
+5 V dc
6
+3.3 V dc
7
Ground
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...