[Status]

b7

b6

b5

b4

b3

b2

b1

b0

0

Constantly set at “0”

Vertical parity error 1: error

Framing error 1: error

Mechanical error 1: error

Paper empty 1: empty

Buffer empty 1: empty

Buffer overflow 1: overflow

Compulsion switch High level

(Switch is set to ON)

[Framing error]

A framing error occurs when SPACE is detected at the stop bit. When a framing error or a vertical parity error occurs for the data which is received, the printer prints out a “?” mark to indicate that the error occurred.

[Compulsion switch]

When pin 6 of the peripheral unit drive circuit connector is set at “HIGH”, status bit 7 becomes “1”.

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Image 22
Star Micronics SP300 Series manual Status