20 Chapter 1 Troubleshooting control panel messages EN
REINSTALL TRANSFER BELT
This message occurs if you do not have the intermediate transfer belt
installed in the printer or if the home position marks (on the ITB) are
not detected by sensor PS5. The ITB must be rotating before PS5 is
able to detect its “home positioning” marks. Both the ITB and the
imaging drum are driven by the drum motor (M4).
1 Check SW1 for correct operation and make sure the cables are
connected.
2 Verify that the ITB is installed in the printer.
3 If the ITB is installed and seated properly, verify that PS5 is not
damaged. PS5 is located on the ITB assembly. If the sensor
appears damaged replace the entire ITB assembly.
4 Clean PS5.
5 Verify all wiring within the ITB drawer. Note the connection on the
ITB assembly (located on the front, lower, left-hand corner of the
assembly). When the drawer is closed, the connector “mates” with
a receptacle connector on the drawer. Verify the connector and all
wiring are in good condition. Make sure there is no paper in the
connector at the base of the drawer.
6 Verify that the drum motor (M4) is rotating both the imaging drum
and the ITB. Run the drum test from diagnostic mode to verify drive
spindle movement for both the imaging drum and ITB.
7 If the imaging drum is not rotating, verify the imaging drum
connector is firmly seated into the connector J204 of the
developing PCB.
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