Epson C3500 Technical Reference Guide - Page 150

Trouble Description The paper you are using does not match the [Media detection settings]. When paper is loaded, it is fed and an error occurs For Die-cut label (Blackmark) and Continuous paper (Blackmark) Black marks are out of the specifications. An error has occurred in the sensor. I want to use the largediameter roll paper supply unit and takeup unit Recovery method Check the paper you are using and the printer's [Media detection settings]. See "Media detection settings" on page 115. The black marks may not be detected if their reflection rate is higher than the specified value. Infrared light is used to detect the black marks; therefore, the reflection rate for the infrared light must be lower than the specified value. Check the black mark printing specifications, and use the black marks that match the printer specifications. You may be able to detect the black marks by performing [Adjust the Black Mark Detection Sensor].Click [Printer Setting Utility] on the printer driver's [Printer Utilities] tab. When the PrinterSetting screen is displayed, click [Printer Adjustment] - [Sensor Adjustment] and perform [Adjust the Black Mark Detection Sensor].See "Sensor Adjustment" on page 136. If the printer has been working properly so far, the sensor may be malfunctioning. Contact your dealer for repairs. Use the large-diameter roll paper supply unit and take-up unit that match the printer specifications. For the specifications of the largediameter roll paper supply unit and take-up unit, see "TM-C3400/C3500 Series Design Manual for Media Take-up Unit". For more information on "TMC3400/C3500 Series Design Manual for Media Take-up Unit", contact your dealer. Image/ Illustra- tion - 150