Infinite Peripherals DPP-250, Руководство пользователя

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USER MANUAL |
11
DIAGNOSTIC SELF-TEST
The DPP-250 LF switch/button is used for entering various printer modes.
These modes can be used to assist developers in debugging problems related
to programing and communication. The following explain how to access the
various operating modes.
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:
LF Button operation Modes
Holding LF button while power on for ~ 0.5
sec and releasing it after 1-beep.
SHORT SELF TEST print.
Holding LF button while power on for ~2.5
sec and releasing it after 2-beep. Hex DUMP mode. All input data are
printed as hexadecimal.
Holding LF button while power on for ~ 4.5
sec and releasing it after 3-beep.
LONG SELF TEST print.
Holding LF button while power on for more
than 8.5 sec and releasing it after the 5-beep
(long 4-tone) beep.
Program mode- loading the printer
firmware.
Holding ON button while power on for ~4
sec and releasing it after 1-beep. Temporary forcing 9600 bps serial
speed.
Holding ON button while power on for ~6
sec.
Hardware Setup Mode.
Note:
Care must be taken when entering operating modes to prevent the clearing of
factory preset configuration information.