Using your printer > 303. Adjust the paper feed guides (1) for the width of the paper, then place a sheet ofpaper in the separator. The paper will feed into the printer.TOP OF FORM (TOF)Top of Form (TOF) sets the print start position. The factory default is 1" from the top.The TOF can be changed in increments of 1/144” (ML5520ECO/ML5521ECO) and 1/180"(ML5590ECO/ML5591ECO), for either a single print job, or all print jobs. The overallamount of adjustment is limited to avoid paper jams.The first line prints at the red line of the plastic paper shield (1) on the printhead.NOTE> If the paper does not feed in, remove it. Check the paper lever position.Make sure the ALARM light is ON: if it is flashing, hold the SHIFT key andpress the CHARACTER PITCH/RESET key. Reload the sheet of paper.> The factory default setting for the Top of Form (where the printing shouldbegin) is 1" down from the top of the page. To change the setting, see“Top of Form (TOF)” in the previous chapter.CAUTION!If you turn the platen knob when the printer is not at Top of Form,the TOF will misalign. Always feed the paper to TOF before turningthe platen knob!111