User manual

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USER MANUAL |
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14!
SELF-TEST
The DPP-450 has a built-in test pattern that shows the printer’s current
configuration as well as the various resident printer fonts. The self-test
can also be used as a troubleshooting tool to determine printing
problems or battery level. The steps below show how the self-test is
printed activated.
• Holding <LF> button while power on
for ~ 0.5 seconds (first beep) sound
signals the short self-test will be
printed as shown in the figure on the
right.
Figure 14