GeBE-MULDE Mini
GPT-4352(-60)
9
TROUBLESHOOTING AND RECOVERY
Not every failure means that there is an error that cannot be cleared by the user himself. You will save time and money by
recognizing and fxing simple errors on your own. The following tips are meant to assist you:
Test printout:
Keep FEED button pressed down while switching on the printer.
SYMPTOM
POSSIBLE CAUSE
REMEDY
Paper
The printer seems to print,
paper is feeded forwards but
it is not blackened.
Paper:
wrong side towards the print head.
Only the thermosensitive side can be printed on.
Insert paper correctly: Mostly the paper
outside of the roll is the thermosensitive
side. You can test this with the fngernail-
test: Drag the tip of a fnger nail across the
paper, pressing down. The friction heat
causes the thermosensitive side to blacken.
Paper is too humid.
Only use dry paper.
Power supply
The LED only extinguishes
briefly during print start.
The power supply is not optimal.
External power supply:
The power lead cable diameter of the external power
supply is too thin.
Power output of the external power supply is too low.
External power supply:
Use short power supply lead cables in the
right diameter dimensions. Test the contact
resistance of all plug connections.
Thermal printers often have peak currents,
which creates incorrect voltage decline at
little contact resistances. (No power supply
will be strong enough for those cases.)
The printer only prints a few
characters in one line.
Paper feed works, but the self
test does not work.
The printer only prints a few
characters in one line. If more
is entered, printing stops
totally.
Serial interface
After a few characters, the
printout starts to be
incomplete.
The printer buffer is "over-run", causing a loss of data.
The print data transmitter shows no reaction to
handshake.
Use or check handshake. (Software: Xon/Xoff
or hardware: CTS).
If necessary: slow-down transmission speed.
The printer prints wrong
characters.
Interface problem:
The transmission is faulty. (Characters of the upper
area are printed).
Use correct interface level (RS232, TTL).
Transmisson cable may be too long.
External power supply:
Bad ground connection causes that part of the printing
current flows through the interface cable. This
increases the potential, which results in data
corruption.
Check and improve ground connection. Feed
current through short and thick power lead
lines.
USB interface
The printout breaks off after a
short period of time or is
continuously repeated.
COM port settings are incorrect or an action is enabled
on the „Job end“ of the Windows
®
driver.
Set virtual COM port according to installation
instructions. Disable the „Job end“ action of
the Windows
®
driver.
GeBE Elektronik und
phone
+49.89.894141-0
GeBE-document-no. GPT-4352-A8-E-SMAN-V1.3-0627
Feinwerktechnik GmbH
fax
+49.89.894141-33
date
May 23, 2018
Beethovenstraße 15
page 19 | 22
82110 Germering
Our general terms of business are to be applied.
Germany
Internet
www.gebe.net
Errors and changes reserved.
