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MAINTENANCE AND TROUBLESHOOTING
64
Error Message Possible Solution
Head Blocked?
Check print head carriage area for
obstructions.
Head Gap
Usually a result of a bad paper jam.
Check for paper wedged in the print head
nose shield area.
I/O Overflow
Make sure handshaking parameters set in
the printer and at the host computer match
each other.
Make sure interface cables are wired
correctly.
I/O Parity Error
Make sure parity setting in the printer and
at the host computer matches each other.
Preventive Maintenance
Your PrintMaster 850 Series printer requires very little preventive
maintenance. It is only suggested that you periodically clear out any
excessive paper dust, paying particular attention to cleaning the sensor
surfaces (at left tractor under the paper (rear) lid and at far left of carriage
under the ribbon lid).
Also, the various bearings used in the PrintMaster 850 Series printers
should not require any lubrication.
OBTAINING SERVICE
If your PrintMaster 850 Series printer should require service, please contact
the company where you purchased the printer. If you do not know where
the printer was purchased, please call 800-368-4636 to obtain the name