Epson U325PD User Manual - Page 8
Adjusting the Paper Roll Near-End Sensor, Notes
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Adjusting the Paper Roll Near-End Sensor Notes: Use paper rolls with an inner core diameter of 10.5 to 12.5 mm so that the sensor detects the remaining paper correctly. When the last portion of a paper roll bears red markings, the marking is sometimes an adhesive that pulls the entire paper roll up. In this case, the sensor may not detect the remaining paper correctly. If a paper roll easily becomes loose because of the quality of the paper or other factors, incorrect detection of the paper end may result. 1. Make sure that the power supply is disconnected from the printer. 2. Two spacers are included. See the illustration below and decide whether or not you want to use them. Use them if you want the near-end sensor to be triggered when distance A is 3 to 4 mm; otherwise it will be triggered when distance A is approximately 6 mm. Distance A 3. Secure the paper roll near-end sensor (and spacers) with two screws. When you insert the spacers, be sure you set the spacers in the direction shown in the illustration. 1-2 Setting Up the Printer