a. Paper that jams easily
- Paper that is too thick or too thin
- Irregularly-shaped paper
- Rough, extremely smooth, or glossy paper
- Paper with binding holes or perforations
- Curled or creased paper
- Specially coated paper (coated paper for ink jet printers, etc.)
- Labels with backing sheet that is easily peeled off
- Paper that has already been printed by a copy machine or another laser printer (The reverse side of the paper is also unusable. Using the manual feed slot, however, you can perform 2-sided printing manually on the other side of previously printed paper. You cannot print on the printed side again.)
- Paper with jagged edges
- Paper with the corners folded
b. Paper that changes its quality at a high temperature
- Paper that contains ink that melts, burns, evaporates or emits harmful gases at the heating temperature (approx. 270°C or 518°F) of the fixing unit
- Specially coated paper (coated paper for ink jet printers, etc.)
- Paper with adhesive on the surface
c. Paper that causes printer malfunctions or damages the printer
- Paper with staples, clips, ribbons or tapes
- Paper that has already been printed by a copy machine or another laser printer (The reverse side of the paper is also unusable. Using the manual feed slot, however, you can perform 2-sided printing manually on the other side of previously printed paper. You cannot print on the printed side again.)
d. Paper that is difficult for the toner to fix onto
- Paper with rough surfaces
- Specially coated paper (coated paper for ink jet printers, etc.)
- Paper containing thick fibers