Troubleshooting Guide - Boca Systems Micro Plus User 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
If you need additional help, please contact BOCA at
field.
Tel: (561) 998-9600 Fax: (561) 998-9609
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, 250 volt, SB)
c. Check that there is power at the AC receptacle.
d. If main fuse keeps blowing then check that the printer's AC voltage board is set
for the correct voltage.
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 Power Supply board.
d. 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" in Section 8.1.6.
c. Check that the ticket stock is being loaded correctly.
d. With printer powered on feed the ticket stocking into the printer until it stops.
Depress the test button a couple of times. If the printer reset the ticket stock
properly then the feed opto position needs to be adjusted. Consult "Optical
Devices" in Section 8.1.5.
e. Replace ticket load opto.
f. Replace ticket tear opto.
g. Replace the Power Supply board.
h. 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. Consult "Optical Devices" in Section 8.1.5.
c. Check that the platen is clean. Consult "Rubber Drive Roller" in Section 8.1.7.
d. Replace ticket TEAR opto.
e. Replace ticket load opto.
f. Replace the Power Supply board.
g. Replace the Main logic board.
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