Unitec POS4000/V2 - Manual (Page 114)

POS4000
Document Number: POS4003 106
Document Title: POS4000/V2 Operations Manual
3. Turn the power switch on while pressing the LF switch, and then release the
LF switch after the self-test has begun.
In the above operation, the self-print function will stop automatically when
completed. However, the self-print function will not operate without paper.
10.5 Alarm and Paper Near-End Detection
This printer has the paper near-end sensor to stop the operation when the paper
comes to near-end, sending out both BUSY and FAULT signals. This status is
indicated by the SEL/ALARM lamp blinking at an interval of one second.
If the printer goes alarm, the printer stops printing out and outputs FAULT signal
OFF-LINE state. This status makes the SEL/ALARM lamp blink at an interval of
one quarter of a second.
10.6 General Cautions
1. Never operate your printer without loading the paper and ribbon cassettes.
Any printing without these cassettes loaded may cause damage to the printer
head.
2. Replace the ribbon cassette before it is worn out with rents.
3. Be careful not to drop any foreign objects, such as paper clips, pins and the
like not your printer. This can cause mechanical trouble.
4. Nothing should be placed on the radiation vents of the printer.
5. Place the printer on a stable desk, which is set horizontal.
6. Do not use any organic solvent (thinner benzene, etc.) to clean the body of
the main case.
7. Make sure the power of the printer is turned off whenever you do the
following:
• Taking out any foreign matter, which was dropped into the printer.
• Replacing the ribbon cassette.
Appendix B. APPENDIX I LIST OF COMMANDS
The primary commands and the required passwords are shown below along with
their secondary commands:
Primary/Secondary Command
Key Label Password