Electrical Trouble Shooting; Power Up / Sign On / Communications - Paxar 545 User Manual

Electrical Trouble Shooting

Power Up / Sign On / Communications

Problem
Printer fails to power up.
Front panel displays no text
or nothing at all.
Users Manual Model 545™
Probable Cause
1) Incorrect power amplitude.
2) Lack of power to printer.
3) Missing or blown fuse(s)
4) Unconnected cable / connector
inside printer.
5) Thermal Control Board
unplugged from the Mother Board
1) Front panel cable unplugged.
Corrective Action
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.
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.
1) Check that the fuse(s) located inside the AC
entry are present and intact. Replace as
needed.
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.
1) Power off and remove the power cord from the
AC entry. Remove the back cover and reseat
the Thermal Control Board.
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.
Electrical Trouble Shooting • 67