• 55 •
Test results do not print or print incorrectly
STATUS LED
When a printer fault occurs, the STATUS LED fl ashes. You can identify the fault by the number of
sequential fl ashes:
Solutions
If the IR transmitter and receiver are not aligned, all the data may not print. The infrared ports
on the top of the analyzer and on the printer (below the
MODE button) should be pointed di-
rectly at each other. The maximum distance for reliable transmission between the ports is 18
inches (45 cm).
To realign, press the
BACK key to cancel the print. Verify alignment between the analyzer and
printer; then try to print the test results again.
If the message PRINTING appears on the screen, but no data are printing, press the BACK
key to cancel the print. Turn off the printer and charge the printer battery for at least 15 min-
utes before attempting to print again. Align the analyzer and printer IR transmitters and print
again.
Make sure the printer is on. The printer shuts off after two minutes of inactivity to conserve the
battery. To turn the printer on, briefl y press the MODE button. The green STATUS light should
turn on. Make sure you are using the Midtronics printer provided with the Celltron ULTRA.
Other printers may not be compatible.
Direct sunlight interferes with infrared data transmission/receiving. If the printer is not receiv-
ing data, remove the printer and the Celltron ULTRA from direct sunlight. If the printed char-
acters are not clear or are partially missing, recharge the battery and reprint.
Verify that the correct printer is selected in the analyzer. Press the ARROW keys to highlight
the UTILITIES SETUP icon in the Main Menu, and press ENTER.
Verify that a compatible communications protocol is selected in the printer setup. IrDA Mode
is compatible with the Midtronics printer (“IRDA Physical Layer” on the printer’s self-test print-
out). Refer to the printer manual for information.
If you are unable to print after ensuring the analyzer is functioning, the printer is on, the bat-
teries are good, and the IR transmitter and receiver are aligned, see the printer manual for
further instructions or call Midtronics. (See Patents, Limited Warranty, Service.)
Sequence Condition Solution
Paper out
Thermal head too hot
Fit new paper
Allow head to cool
* * *
** ** **
*** *** ***
Batteries low
Recharge printer
batteries for 16 hours
Chapter 9: TroubleshootingCelltron ULTRA
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