Brother International HL-3400CN Users Manual - English - Page 249

Signal Description, INPUT PRIME

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APPENDICES Signal Description Pin No. Signal Name 1 DATA STROBE 2 - 9 DATA 0 - 7 10 ACKNLG 11 BUSY 12 PE 13 SLCT 14 AUTO FEED 31 INPUT PRIME 32 FAULT 36 SLCT IN IN/OUT IN IN OUT OUT OUT OUT IN IN OUT IN Explanation Data is latched at the leading edge of this signal. Parallel 8 bit data Data reception is completed and the printer is ready for the next data reception when this signal becomes low. The printer cannot receive data when this signal is high. The signal becomes high under data receiving, off-line, or error states. This signal becomes high when a paper empty state is detected. This signal becomes high when the printer is selected and low when it is deselected. This signal is used only for the bi-directional interface. This signal is used only for the bi-directional interface. This signal becomes low when the printer is in the paper empty, off-line, or error states. This signal is used only for the bi-directional interface. A-9

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APPENDICES
A–9
Signal Description
Pin No.
Signal Name
IN/OUT
Explanation
1
DATA STROBE
IN
Data is latched at the leading edge of this
signal.
2 - 9
DATA 0 - 7
IN
Parallel 8 bit data
10
ACKNLG
OUT
Data reception is completed and the printer is
ready for the next data reception when this
signal becomes low.
11
BUSY
OUT
The printer cannot receive data when this
signal is high. The signal becomes high under
data receiving, off-line, or error states.
12
PE
OUT
This signal becomes high when a paper
empty state is detected.
13
SLCT
OUT
This signal becomes high when the printer is
selected and low when it is deselected.
14
AUTO FEED
IN
This signal is used only for the bi-directional
interface.
31
INPUT PRIME
IN
This signal is used only for the bi-directional
interface.
32
FAULT
OUT
This signal becomes low when the printer is
in the paper empty, off-line, or error states.
36
SLCT IN
IN
This signal is used only for the bi-directional
interface.