Epson 2080 Service Manual - Page 15
Interface Specifications - lq specifications
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LQ-2080 Revision A 1.3.2 Interface Specifications This section only provides information which is specific to the LQ-2080. For other information, refer to the LQ-2070 Service Manual. 1.3.2.1 Parallel Interface (Forward Channel) Transmission mode: IEEE-1284 compatibility mode Signal level: TTL compatible (IEEE-1284 level 1 device) Pin assignment: The pin assignment (forward channel) is the same as for the LQ-2070 except for the function of the pin below: Pin No. Function 35 This line is pulled up to +5 V through 1.0 k Ω resistor. 1.3.2.2 Parallel Interface (Reverse Channel) Transmission mode: 8 bit parallel, IEEE-1284 nibble mode Synchronization: Refer to the IEEE-1284 specification. Handshaking: Refer to the IEEE-1284 specification. Signal level: IEEE-1284 level 1 device Data transmission timing: Refer to the IEEE-1284 specification. Device ID: [00H][4DH] MFG: EPSON; CMD: ESCPL2,PRPXL24,BDC; MDL: LQ-2080; CLS: PRINTER; DES: EPSON[SP]LQ-2080; Pin assignment: The pin assignment (reverse channel) is the same as for the LQ-2070 except for the functions of the pins below: Pin No. Function 18 This line is pulled up to +5 V through 3.9 k Ω resistor. 35 This line is pulled up to +5 V through 1.0 k Ω resistor. Product Description Firmware Specifications 15
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