Chapter 2 Printer Operation
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Check the following items in the self-test mode.
Check item Cause Remedy
Printhead disconnected Replace printhead Dot missing
Dust adhered Clean printhead
(see Section 5, Chapter 4)
Printhead offset changed in
position
Adjust printhead offset
(see Section 1, Chapter 4)
Totally blurred
Printing energy low Adjust printing energy
(see Command Reference)
Partially blurred Printhead pressure unbalanced Adjust printhead pressure
(see Section 2, Chapter 4)
Ribbon wrinkling and slipping Ribbon tension improper Adjust ribbon tension
(see Section 3, Chapter 4)
2. After self-test printing, the printer enters the data dump mode (hex dump mode).
The contents of communication can be checked with the communication data printed in ASCII
code.
3. Return to normal operating mode after turning OFF the power switch and turning ON again.
4 Self-Test Mode & Hex Dump Mode