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Diagnostic Aids 3-1
24xx
3. Diagnostic Aids
The printer contains self tests to help find and solve problems. You
do not need to connect the printer to a computer or terminal to run
these tests.
Types of self tests are:
• Power-On Self Test (POST)
• Print Test
• Hex Trace Mode (a computer or terminal is necessary)
The following are special machine modes that run when the printer
is turned off and then back on:
Turn Printer On While Pressing Results
LineFeed Prints print test with sample fonts.
Tractor Sets printer in Hex Trace mode.
Load/Unload & Tractor Disables/Enables Operator Panel
Lockout Mode.
Tearoff &Tractor with the
printhead at the left limit
Resets the printer to the World Trade
defaults.
Tearoff & Load/Unload with the
printhead at the left limit
Resets the printer to the U. S. defaults.