
CMD_ SETOPTIONS (1Ch) - Override option jumper settings
This command is used to override the option jumper settings, set USB ID number,
and save/restore settings to non-volatile memory.
Note: Do not send CMD_RESET to the printer for at least 20ms after sending
CMD_SETOPTIONS. This could result in corruption of the non-volatile memory.
Parameter Function
0xH This is used to clear option jumper bits. Only one bit may be changed
at a time. Bits 0:2 of the parameter byte determine which bit will be
changed. For example:
05H disables auto on-line mode
02H sets feed mode to continuous
1xH This is used to set option jumper bits. Only one bit may be changed at
a time. Bits 0:2 of the parameter byte determine which bit will be
changed. For example:
15H enables auto on-line mode
12H sets feed mode to Label / Form
3xH Sets USB device ID. Bits 0:3 of parameter byte determine the ID
number. The ID must be in the range 0-9. Setting the ID to 15 (3FH)
enables “single unit” mode (this is the default). Other values are invalid.
55H Sets factory default option jumper setting (FCH) to non-volatile memory.
Does not affect the serial number.
AAH Saves option jumper settings and serial number to non-volatile memory.
The saved setting becomes the default used when the printer is reset.
The option jumper bit definitions are as follows:
Bit Meaning Short (0) Open (1)
0 Baud rate (bit 0) * *
1 Baud rate (bit 1) * *
2 Feed mode Continuous Label / Form
3 Baud rate (bit 2) * *
4 (reserved) -- --
5 Auto on-line Disabled Enabled
6 Media type Paper Label
7 (reserved) -- --
* Initial baud rate is set according to this table:
Baud Rate bit 0 bit 1 bit 3
9600 Open(1) Open(1) Short(0)
19200 Open(1) Short(0) Short(0)
38400 Short(0) Open(1) Short(0)
57600 Short(0) Short(0) Short(0)
115200
Don’t care(0or1) Don’t care(0or1) Open(1)
When bit 2 is Open, SLP firmware judges to be 115k.
When bit 2 is Short, bit 0 and 1 are investigated.
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