Epson TM-L90 Technical Reference - Page 104
Head Divided Control
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6.1.1 Power Switch-Related User Operation List Power switch enabled When you want to Press the power switch more than 1 power on the TM printer second. When you want to Press the power switch more than 3 power off the TM printer seconds. When there is a power outage When the power outage is over There is an unrecoverable error The TM printer is powered off. The TM printer remains powered off. Press the power switch more than 1 second to turn the printer on. Press the power switch more than 3 seconds to turn the power off; then turn the power on again. Power switch disabled Power on the system power supply. Turn on the power breaker or outlet. Execute the software power off process using a software command and wait until the POWER LED starts flashing. Then power off the system power supply. The TM printer is powered off. The TM printer is powered on. Press the power switch over 3 seconds to reset the TM printer. 6.1.2 Power Off Control by the Host You can turn off the power of the TM printer from the application. When using the printer with the power switch disabled (DIP switch 1 on), turn off the printer by command before turning off the host. Power off control differs as follows according to the setting of the DIP switches. 6.1.2.1 When the Power Switch is Enabled The TM printer is powered off when the power off command is sent from the application. 6.1.2.2 When the Power Switch is Disabled When the power off command is sent from the application, the POWER LED of the TM printer flashes, and the printer waits for the system power to be turned off. ("Error (ERROR) LED" on page 112.) Note: While the printer is executing the power off process, do not reset the printer. 6.2 Head Divided Control If a low capacity power supply is used, you can specify 2-4 head divided control and eliminate the power supply for part of the dots to save current consumption. (The default setting is 1 head divided control which supply power to all dots at the same time.) Print speed is slower if you increase the number of divisions. ESC/POS commands allow you to change head divided control while printing. You can keep print speed by using the divided printing only when printing a high density area such as a logo. 104 ESC/POS Command-Related Information