Map 0120: Parallel, Serial Or Usb Interface - InfoPrint 4247 Z03 Maintenance Information

MAP 0120: Parallel, serial or USB interface

Symptom explanation
Communication failures
220 Serial DSR error
No print, but print test is OK
Not correct printout
Notes:
1. Printing in hexadecimal code is available to aid service personnel and programmers for host program debug.
On the operator panel, enter Hex Print mode. Refer to 4247 Model Z03: User's Guide for instructions.
2. A computer, such as a laptop, can be connected to the printer parallel-port as input to help isolate some
communications problems.
Suspected FRUs/causes
Printer configuration
Host cable
Controller board
Chapter 1. Diagnosing problems
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