HP 710E, 710F, 708D, 708E, 706C, 706D, 708C, 706A manual Symptom Random Garbage Characters

SYMPTOM: RANDOM GARBAGE CHARACTERS

CAUSE: Serial port configuration.

SOLUTION: In Print Master's configuration mode, match baud rates, word size, stop bits, parity, and handshaking with the connected serial device(s).

CAUSE: Cable length.

SOLUTION: If using serial cable, length should not exceed 150 feet. If using parallel cable, length should not exceed 15 feet. Use shorter cable.

PROBLEM: CANNOT CONFIGURE PRINT MASTER

SYMPTOM: CONTROL-T AND CAPITAL C SENT IN DUMB TERMINAL MODE DOES NOT INVOKE CONFIGURATION MENUS.

CAUSE: Cable.

SOLUTION: Use correct serial cable between PC and Print Master. Check handshaking lines in TERM program. On 706A unit, check parallel cable between Print Master and printer.

CAUSE: Serial port configuration.

SOLUTION: Match baud rate, word size, stop bits, parity and handshaking lines between Print Master and PC. This can be done using TERM program.

CAUSE: Port selection.

SOLUTION: Be sure PC COM port is connected to configuration port of Print Master.

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