Printer and Troubleshooting Overview 1-21
Standard Procedures
While using the TAGs, you may be asked to perform some of the following procedures.
Specific instructions for completing these procedures are included here, rather than
repeated in the body of each TAG. Please read this information before following any TAG.
Power-on-reset (POR)
When directed to power-on-reset the printer:
1 Turn off the printer.
2 Wait at least 5 seconds.
3 Turn the power back on.
Checking Continuity
To perform a continuity check:
1 Turn off the printer and disconnect the power cord.
2 Set your meter to the lowest ohm setting.
3 Interpret the results as follows:
• An infinite reading indicates an open circuit.
• A zero or specific reading indicates continuity.
4 To check an open or short circuit to ground:
• Turn off the printer and disconnect the power cord.
• Locate the circuit in question. (Refer to Chapter 6, “Wiring Diagrams and Electri-
cal Data”, for circuit locations.)
• Check all connectors and wiring on each side for corrosion, foreign objects, bent
pins, loose socket housings, and/or loose wires.
Make sure the printer is turned off and the power disconnected.
or both.
Failure to do so may result in personal injury, equipment damage,
Warning
The printer is equipped with safety interlock switches on all of
covers are opened. These areas present the risk of electrical
its covers. These switches disable parts of the printer when the
Warning
shock, burns, and injury from mechanical hazards.
