Diagnostic Self-Test - Infinite Peripherals DPP-350 User Manual

DIAGNOSTIC SELF-TEST

The DPP-350 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.
Step 1. Make sure the printer is OFF (on-line LED is OFF) before performing
Step #2.
Step 2. Press and hold the line feed button (LF). While pressing the (LF)
button, press the (POWER) button momentarily and release when one
of the conditions below:
Holding LF button while power on for ~ 0.5
sec and releasing it after 1-beep.
Holding LF button while power on for ~2.5
sec and releasing it after 2-beep.
Holding LF button while power on for ~ 4.5
sec and releasing it after 3-beep.
Holding LF button while power on for more
than 8.5 sec and releasing it after the 5-beep
(long 4-tone) beep.
Holding ON button while power on for ~4
sec and releasing it after 1-beep.
Holding ON button while power on for ~6
sec.
Note:
Care must be taken when entering operating modes to prevent the clearing of
factory preset configuration information.
LF Button operation Modes
SHORT SELF TEST print.
Hex DUMP mode. All input data are
printed as hexadecimal.
LONG SELF TEST print.
Program mode- loading the printer
firmware.
Temporary forcing 9600 bps serial
speed.
Hardware Setup Mode.
USER MANUAL 11