Troubleshooting Guide - Boca Systems Dual Micro Operator's Manual

10.0 Troubleshooting Guide

This is a simplified troubleshooting guide listing some of the typical problems. It is not intended to provide
technical details or repair methods, but can serve as a guide to fault isolation in the field.
precaution, all service to the printer should be done by
the AC cord unplugged from the printer. Following any procedure requiring the removal of
covers and/or doors, please verify that they have been properly attached and fastened prior to
operating the printer.
Tel: (561) 998-9600 Fax: (561) 998-9609
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1. NO OPERATION, POWER INDICATOR IS OUT
a. Check the power cord for proper installation at both ends.
b. Check main fuse and replace if blown. (2amp SB for 115V or 1amp SB for 220V)
c. Check that there is power at the AC receptacle.
2. POWER IS ON BUT NO OPERATION
a. Check all electrical connections on the printer.
b. Unplug the thermal head and turn on the printer. If printer works, replace the
thermal head.
c. Replace the Main logic board.
3. POWER IS ON BUT TICKET WILL NOT LOAD
a. See # 2
b. Make sure the print head/cam lock assembly is fully locked in the closed position.
Consult "Thermal Print Head" section.
c. Check that the ticket stock is being loaded correctly.
d. With printer powered on feed the ticket stock into the printer until it stops. If the
printer does not grab the ticket stock properly, then the load switch position needs
to be adjusted
e. Replace ticket load switch.
f. Replace the Main logic board.
4. ERRATIC TEAR POSITION
a. Check for defective ticket stock. Is the black mark unevenly spaced apart or
light in color? Is the ticket too wide for the paper path?
b. Clean off opto eyes
c. Check that the platen is clean. Consult "Rubber Drive Roller" section.
d. Replace ticket tear opto.
e. Replace the Main logic board.
5. ERRACTIC PRINT POSITION
a. See # 4
6. POOR PRINT OUT (light print out)
a. Make sure the print head/cam lock assembly if fully locked in the closed position.
b. Consult "Thermal Print Head" section.
c. Clean print head. Consult "Thermal Print Head" section.
d. Adjust print intensity setting via the control panel. (see Appendix A)
e. Replace thermal head.
7. POOR PRINT OUT (white voids in print out)
If you need additional help, please contact BOCA at
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qualified persons with power off and
As a safety
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