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Diagnostic aids
3-25
Scanner Tests
ASIC Test
This test initiates a scan of the scanner ASIC’s memory.
While this test is executing
ASIC Test Running is
displayed. When the test is complete,
ASIC Test
Passed
is displayed if the ASIC memory is ok.
ASIC Test Failed
is displayed if the test fails. press the
Back
or
Stop
buttons to clear the display message
Feed Test
This test executes a continuous feed test from ADF or flatbed.
Note:
Neither test produces printed output, or increments any MPS counters.
After selecting this test, <DISPLAY> is displayed.
Running. Flatbed:xxxx ADF:xxxx
is displayed while the feed test is executing. To stop the test, press
Back
or
Stop
.If an error occurs during the test,
Feed Test failed Flatbed:xxxx ADF:xxxx
is displayed.
press
Return
or
Stop
to clear the message.
Sensor Test
A series of sensor tests are available to test the scanner’s ADF and flatbed sensor functionality. The following
table lists the available tests.
Scanner sensor tests
Sensor
Toggle state and description
ADF paper present
Closed: Paper not present in the ADF
Open: Paper present in the ADF
FB cover closing
Closed: Flatbed cover in process of closing
Open: Flatbed cover open
Home sensor
Closed: Scanner carriage not positioned over the home sensor.
Open: Scanner carriage positioned over the home sensor.
ADF cover open
Closed: ADF cover closed
Open: ADF cover open
Scan 1st sensor
Closed: Paper isn’t above this sensor.
Open: Paper is being fed from the ADF and the top edge passes over this sensor.
Scan 2nd sensor
Closed: Paper isn’t above this sensor
Open: Paper is being fed from the ADF and the top edge passes over this sensor.
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...