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The following serial parameters Baud Rate, Parity, Data Bits, and Stop Bits apply only to
firmware updates and a portable printer such as the QL320 printers.
Baud Rate
4800 0
9600 1
19,200 2
38,400 3
57,600 4
115,200 5
Parity
None 0
Even 1
Odd 2
• None is generally used with 8 data bits
• Even or Odd parity is generally used with 7 data bits.
Data Bits
7 bits 0
8 bits 1
Stop Bits
1 bit 0
2 bits 1
R
S232
R
S232
R
S232
R
S232