User manual

Users Manual Model 545™ Electrical Trouble Shooting • 67
Electrical Trouble Shooting
Power Up / Sign On / Communications
Problem Probable Cause Corrective Action
Printer fails to power up. 1) Incorrect power amplitude. 1) Confirm that the AC entry is configured for the
line voltage intended to be applied to the
printer. Failure to do so can damage the
printer's internal power supplies.
2) Lack of power to printer. 1) Check that both ends of the power cord are
plugged in securely.
2) Confirm that the outlet the printer is plugged
into has power.
3) Missing or blown fuse(s) 1) Check that the fuse(s) located inside the AC
entry are present and intact. Replace as
needed.
4) Unconnected cable / connector
inside printer.
1) Power off and remove the power cord from the
AC entry. Remove the back cover and inspect
the cables and connectors to and from the
power supplies.
5) Thermal Control Board
unplugged from the Mother Board
1) Power off and remove the power cord from the
AC entry. Remove the back cover and reseat
the Thermal Control Board.
Front panel displays no text
or nothing at all.
1) Front panel cable unplugged. 1) Power off and remove the power cord from the
AC entry. Remove the back cover and inspect
the cable and connectors to and from the front
panel.