1 Turn the printer on. 2 Display the printer driver window. (See "How to Display the Printer Driver" on page 43 .) 3 Select [Printer Utilities] tab and click [Printer Setting Utility] under [Printer Preferences]. 4 TM-C3500 PrinterSetting window appears. Select [Advanced Settings]-[Operating Time Settings]. 5 "Operating Time Settings" window appears. Specify each item. Then, click [Apply Set- tings]. 6 The confirmation window appears. Click [Yes] to send the settings to the printer. 124