Epson LQ 1050 Technical Manual - Page 197
REV.-A, Table A-8. GA E05A15HA Control Functions, Address, Control Functions
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Table A-8. GA E05A15HA Control Functions Address OOH OIH 02H 03H 04H READAIVRITE Control Functions READ None WRITE Data is set to the mode register. Bit 7: - Bit 6: Bank 1 Bit 5: Bank O Bit 4: Carriage motor rotation 1 . . . Counterclockwise (L ~ R) O . . Clockwise (R + L) Bit 3: Carriage motor phase switching 1 . . . Direct control O . . . Automatic control Bit 2: Paper feed motor rotation 1 . . . Clockwise (Reverse) O . . . Counterclockwise (Forward) Bit 1: Paper feed motor phase switching 1 . . . Direct control O . . . Automatic control Bit O: Automatic half-dot protection 1 . . . Enable 2 . . . Disable READ Read data from PO-P4. Bit 7-5: Not used Bit 4: P4 Bit 3: P3 Bit 2: P2 Bit 1: P1 Bit O: PO WRITE Write data to P5. Write P5 data to the mode register bit 5. READ Clear 1st printhead data buffer. WRITE Clear printhead data 9th bit + Head Data" bit 7 READ Clear 2nd printhead data buffer. WRITE Set printhead data. 1st-8th bit -+ Head Data bits 7-O READ Read paper feed motor phases. Bit 7-4: Not used Bit 3: A-phase Bit 2: C-phase Bit 1: B-phase Bit O: D-phase WRITE Set paper feed motor phases Bit 7-7: Not used Bit 3: A-phase Bit 2: C-phase Bit 1: B-phase Bit O: D-phase A-1 1 REV.-A