Epson LQ-1010X User Manual - Page 204
Printing Enabled/Disabled Signals and Control Conditions, 12 Technical Specifications
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Printing Enabled/Disabled Signals and Control Conditions The table below shows the relationship between printing being enabled or disabled, the on line/off line status, and the receipt of the data on/off control characters, DC1 or DC3. ON LINE (Indicator on) On line SLCT IN Low (J10 interface) DC1/DC3 (Data on/off control) ERROR DC1/DC3 High (no effect) On line High DC1 High Recv'd On line High DC3 High Recv'd Off line High/Low DC1/DC3 Low (no effect) (no effect) BUSY High/Low High/Low High/Low High ACKNLG Printing (Disabled/ enabled) Pulsed Enabled each (normal character condition) Pulsed Enabled each character Pulsed Disabled* each character Not Disabled generated l While printing is disabled, character data is being received and acknowledged so that the printer can look for another DC1 character, which would allow it to resume printing. 8-12 Technical Specifications