5 Diagnostics And

Troubleshooting

Printer Self-Test

A sequence of automatic tests is performed during printer power-up. If any faults are detected at that time, an error message will display (see page 194).

Printer operation should also be verified before setting the printer for online operation. This is done by running the printer internal self-test diagnostic program, which will produce a selection of printed test labels. See Chapter 3, “Configuring The Printer,” for instructions.

The Test Print program can be enabled from the printer through the TEST key on the Primary Control Panel or through the Secondary Control Panel Diagnostics menu and provides the capability for printing a variety of test pattern labels.

NOTE: Before attempting to print test labels, the printer must be properly set up for the type of media installed. (See the Printer Control menu selections on “Printer Control Menu” on page 91).

Printing Test Labels

The printer has a built-in function that prints a selected number of test labels or test patterns. The patterns are useful for isolating printer faults and checking print quality.

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Printronix T4204 manual Printer Self-Test, Printing Test Labels