Check for any blockage or jam in the cartridge or print-wheel or in the right margin.turn off then on.Press the RMF (right margin flush), move the carriage to the new position then set the new right margin. Be sure the printwheel and ribbon cassette have been properly in stalled.----------- -----------`- Right Margin Flush--------- Your typewriter can automatically Print the text flush with the right margin.---------- 1) Press the CODE + R (Right Margin Flush) key. The carrier will move to the right margin. 2) Type the text. The characters you typed will be displayed. 3) To print the text, press the RETURN .-------- ------------- Centering Your typewriter allows you to automatically center a line. 1) Press the CODE + C (CENTER) key. The carrier will move to the center position between the left and right margins.------------- 2) Type the text. The characters you type will be displayed. 3) To print the text, press the RETURN , TAB or CODE + DEC TAB key. ------------- Margin Release To move the carrier or type a character beyond margins press the CODE + 1 (MARGIN RELEASE) key.------------------ • Hot Zone The hot zone starts six (6) spaces before the right margin. A beep will sound when the hot zone is reached.----------- --------------- Setting Margins You may freely adjust the margins. The minimum distance between the left and right margins is one inch.----------------- • Left Margin Move the carrier to the desired left margin position and press the MAR L key.---------------- • Right Margin Move the carrier to the desired right margin position and press the CODE + MAR R key.-------------- to get the manual for this typewriter please click on the link mentioned below https://www.smithcorona.com/pdf/WS200Man.pdf Thanks. keep updated for any more query.you can rate this solution and show your appreciation.