A714 Owner’s Guide
Chapter 3: Diagnostics
April 1998
9
Chapter 3: Diagnostics
Chapter 3: Diagnostics
The following diagnostic tests are available for the A714 printer:
•
Level 0 Diagnostics: Performed during the startup cycle .
•
Diagnostic Print Tests: Performed using the Paper Feed button.
Level 0 Diagnostics
Level 0 Diagnostics
The printer automatically perfoms Level 0 diagnostics each time it is turned on. Level 0
diagnostics include the following:
•
Motors and solenoids are turned off.
•
CRC check of the firmware ROM is performed, external RAM is read.
•
Level 0 diagnostics stop if this action fails. Failure is indicated by the printer
stopping operation: printhead does not home, the power LED is red, the printer
is unable to communicate with the host computer.
•
Printhead is homed. A fault condition is caused if this action fails.
•
The status of all sensors is checked and the status bytes are updated.
If the printer has not been turned on before, or a new EEROM has been installed, the
default values for the printer functions will be loaded into the EEROM during level 0
diagnostics. These values can be changed in Printer Setup Mode. For more information,
see “Printer Setup Mode” on page 12.
When the last step is complete, the Paper Feed button is enabled and the printer is ready
for normal operation. You may also choose to initiate the Diagnostic Print Tests and
Printer Setup Mode.
If the printer does not complete Level 0 diagnostics successfully, the power LED is lit
(red) to indicate the problem. For more information, see “Getting Service” in Chapter 4:
When Something Goes Wrong.
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Страница 105: ...Appendix B Character Sets A714 Owner s Guide April 1998 96 Code Page 737 Greek Code Page 737 Greek...
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Страница 110: ...A714 Owner s Guide Appendix B Character Sets April 1998 101 Katakana Katakana...
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Страница 117: ...A714 D100 220193F00 0498 AXIOHM is the name and mark of AXIOHM 1998 AXIOHM Printed in U S A...