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EPSON TM-T88IV <br />2 - EPSON TM-T88IV 3/09 <br />DIP Switches <br />Serial interface (default = all off, except 1-7) <br />Parallel/other interface (default = all off, except 2-8) <br />Control Panel <br />LEDs <br /> POWER <br />On when the power is on. <br />ERROR <br />Lights or flashes when printer is offline. See if cover is open. <br />Flashes if head is too hot or there is an error. Turn printer off, <br />let head cool, and turn it back on. If still flashing, contact <br />dealer or qualified service person. <br />PAPER OUT <br />On when printer is out, or nearly out, of paper. <br />Flashes during self-test standby or macro standby (when <br />macro command is used). <br />Button <br />FEED <br />Feeds paper or starts a self-test. <br />Buffer Sizes <br />Receive (DIP switch selected) 4KB or 45 bytes <br />User-defined 12KB <br />Macro 2KB <br />NV (non-volatile) bit image 256KB <br />NV user 1KB <br />Electrical Characteristics <br />Supply voltage +24 V ± 7% (using PS-180) <br />Current consumption (approximate, at room temperature) <br />High-speed Mean: 1.8 A; Peak: 6.1 A <br />Low-power Mean: 1.1 A; Peak: 3.5 A <br />2-color Mean: 1.5 A; Peak:5.3 A <br />Standby Mean: 0.1 A <br />Drawer kick-out Maximum 1 A <br />Bank 1 Function ON OFF <br />1 Data reception error Ignored Prints “?” <br />2 Receive buffer capacity 45 bytes 4KB <br />3 Handshaking XON/XOFF DTR/DSR <br />4 Word length 7 bits 8 bits <br />5 Parity check Yes No <br />6 Parity selection Even Odd <br />7, 8 Transmission speed See table below. <br />Transmission speed Switch 1-7 Switch 1-8 <br />38400 ON ON <br />4800 OFF ON <br />9600 (default)ON OFF <br />19200 OFF OFF <br />Bank 2 Function ON OFF <br />1 Handshaking (BUSY)Receive <br />buffer full <br />Offline or receive <br />buffer full <br />2 Reserved —Fixed to OFF. <br />3, 4 Print density/Low power See table below. <br />5 BUSY state <br />(with 4KB buffer) <br />Releases BUSY <br />at 138 bytes. <br />Releases BUSY at <br />256 bytes. <br />6 Reserved —Fixed to OFF. <br />7 I/F pin 6 reset Enabled Disabled <br />8 I/F pin 25 reset Enabled Disabled <br />Level Function Switch 2-3 Switch 2-4 <br />—Low power consumption mode ON ON <br />1 Print density = Normal OFF OFF <br />2 ↕ON OFF <br />3 Print density = Dark OFF ON <br />Bank 1 Function ON OFF <br />1 Auto line feed Always enabled Always disabled <br />2 Receive buffer size 45 bytes 4KB <br />3 PE, NE sensor output Disabled PE, NE enabled <br />4 ERROR output Disabled Enabled <br />5 — 8 Undefined —— <br />Bank 2 Function ON OFF <br />1 Handshaking (BUSY)Receive <br />buffer full <br />Offline or receive <br />buffer full <br />2 Reserved —Fixed to OFF. <br />3, 4 Print density/Low power See table below. <br />5 BUSY state <br />(with 4KB buffer) <br />Releases BUSY <br />at 138 bytes. <br />Releases BUSY at <br />256 bytes. <br />6, 7 Reserved —Fixed to OFF. <br />8 I/F pin 31 (Do not <br />change.) <br />Fixed to ON.— <br />Level Function Switch 2-3 Switch 2-4 <br />—Low power consumption mode ON ON <br />1 Print density = Normal OFF OFF <br />2 ↕ON OFF <br />3 Print density = Dark OFF ON