Cirris Signature 1000R+, User Manual

Page: 68 / 88

Section 12: Troubleshooting / Problems with Printing
1000R+ User’s Guide / page 69
3. Your printer must have a parallel cable interface. Do not use a printer with an
RS-232 serial interface. You will damage the analyzer.
4. The cable running from the analyzer to the printer may be bad. Try another cable
to see if it works.
5. The printer may be bad. Try using another printer, or test your original printer
and cable with a standard computer. If the printer does not work with the PC, it is
probably bad.
6. If the cable and printer work with a PC, the microprocessor assembly inside the
analyzer is probably bad. Call Cirris to replace it.
Problem
: Characters missing in printout.
Possible Causes
:
• Bad printer cable.
• Printer cable is too long.
• Printer is incompatible with the analyzer.
• Microprocessor assembly inside the analyzer is bad.
Things to do
:
1. Verify that the printer cable is correctly built. Check for shorts in pin 11.
2. If the printer cable is more than 10 feet long, you may have printing problems.
The electrical signals from the printer become too weak to work well as the cable
gets longer. Use a shorter printer cable.
3. Try using the printer cable with a PC. If it works, the printer probably is not
compatible with the analyzer.
4. If the cable and printer work with a PC, the analyzer’s microprocessor assembly
is probably bad. Call Cirris to replace it.
Problem
: Wrong characters in printout.
Possible Causes
:
• Bad printer cable.
• Bad printer.
• Printer cable too long.
• Microprocessor assembly inside the analyzer is bad.
Things to do
:
1. The printer cable may be bad. Check for shorts, opens, or miswires on pins 2
through 9. Either fix the cable, or replace it with a good cable.
2. The printer may be bad. Try using another printer with the analyzer, or test your
original printer cable and printer with a PC. If the printer does not work with a
PC, the printer is bad. Replace the printer. If the printer and cable do work with
a PC, the analyzer’s microprocessor assembly is probably bad.
3. The printer cable may be too long. Your printer cable should not be longer than