APPENDIX F
82
Troubleshooting Chart
Problem Correction
No Printing
Check to see that the LAN Connection properties on the system computer
are defined correctly.
Ensure that a crossover network cable is used and check connections.
Check AC power cord connections and confirm that the Power-On
indicator is illuminated.
Check to see that paper has been loaded.
Check to see that no error indicator lights are illuminated. If the error
indicator is on, depress the black form-feed button for approximately 10
seconds to reset the printer. If the problem persists, contact technical
service.
Check to see that the proper Mortara paper is being used.
Uneven printing Possible causes of uneven printing could be the print head itself, the
platen, poor or damaged paper, or the mechanical alignment of the print
head. Have a technician check the platen for uneven wear and check
that the print head shoulder screws are secure before replacing the print
head. The shoulder screws which secure the print head should be
properly centered in their holes, allowing the print head slight vertical
movement.
Printing too light or too dark Contact Mortara Instrument Technical Service Department for
assistance.
Gaps in Printing Have a technician check the power head cable and the signal cable for
shorts, opens, or damaged connectors. These cables plug in between
the circuit board and the thermal print head. If the cables are all right,
then the problem could be either the print head or the circuit board, or
defective paper.
Defective Paper Thermal paper which is old or which was improperly stored can cause
light or uneven printing. Exposure to heat or chemical vapors can
damage the paper. Test your Z200+ thermal writer using a fresh pack of
properly stored paper.
No Motor Drive The problem of no motor drive could be caused by insufficient paper
tension, a faulty writer assembly, or a faulty circuit board.
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