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Control Codes
Extended Diagnostics
Extended diagnostics are entered after Level 0 diagnostics, are part of the firmware, and are activated in one of two
ways. The first is by holding
The second is by holding
Soft Power On.
OFF
Power On
Power On
Power On
Power On
Soft Power On
Soft Power On
Soft Power On
Soft Power On
Self-Test Diagnostics
Self-test mode allows the printer to be tested to assure that it is working correctly. A number of tests may be run.
Self-test is entered by holding the
Hex-dump Mode
To enter hex-dump mode, press and hold the
pressing and releasing the * Button. Press and hold the
sure to release the
button as soon as the carriage starts to move to prevent paper feeds.
Hex-dump mode is used to diagnose communication problems with the printer. As information is received by the
printer, the information is converted to a Hex/ASCII format and printed. No translation is made, which means no
commands are interpreted. All information is converted to Hex/ASCII and printed on the receipt. If a carriage
return is sent to the printer, it is translated to 0D in the hexadecimal field and "." in the ASCII field.
The format follows.
54
68
69
73
20
69
61
20
74
65
73
74
Several indications of printer and host communication problems can be deduced from hex dump mode. If the printer
is printing all 3F "?" symbols, the parity or the number of bits is wrong. If the printer is printing some Hex 3F "?"
signs when it should be printing other characters, either the parity, baud rate, or bit length setting is wrong. If the
printer prints incorrect characters (like Hex C1 instead of Hex 41 "A"), it is set for 8-bit data, and the host is set for
7-bit. In most cases, the print problem can be traced to the host and printer being configured differently.
Page 46
®
POSjet
button
button and/or
NEW
FEED
CARTRIDGE
Off
Off
On
Off
Off
On
On
On
Off
Off
On
Off
Off
On
On
On
Table 14 Extended Diagnostics
button when resuming operation from OFF mode. Enter OFF by
73
20
This is
0D
0A
a test..
Rev M
1500
and/or
button and applying power (Power On).
button and activating the * Button from OFF or
Normal Operation
Self Test Diagnostics
Manual Configuration
Manual Emulation Set → Configuration
Normal Operation
Color Alignment
Hex-dump Print
Not Defined
button during initial power on.
button while pressing and releasing the * Button. Be
Programmer' s Guide
TEST
Nov-07
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Table of Contents
Troubleshooting
