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Please read this manual carefully before operating your machine in order to gain full If the register malfunctions, call your authorized SHARP dealer for service - do not try to repair the Select “YES” to reset the sales information.SERVICE MANUAL. ELECTRONIC SHARP CORPORATION. CONTENTS .. Optional bar code reader: When connecting an ER-A6HS1, connect it to the Port 1 (or 2) . There are two possible methods to perform a master reset. • MRS-1. WorkForce Pro WP-4530 User's Guide. Purchase Epson Ink Cartridges and Maintenance Box . 20 sheets for manual two-sided .. Prints sharper edges on low-resolution images, such as bars in a graph. Note: If you leave your product unplugged for a long period of time, you may need to reset the date and. Your Sharp cash register includes programmable keys that let you keep track of sales by day and by department, perform other report functions, and even q SERVICE MANUAL . details, please consult your authorized SHARP dealer. .. ER-A520U/ER-A530U MASTER RESET AND PROGRAM RESET. – 6 – WP#. F ROM Write Protect signal. 9. P145. RY/BY#. F ROM Ready/Busy signal.