Epson TM-L90 Plus Users Manual 4 Model - Page 13

Troubleshooting Printout is faint When printout is faint, adhesive glue or another foreign substance may be present on the thermal head, platen roller, or paper path of the printer. In such case, first clean the thermal head by following the instructions described in "Cleaning the Thermal Head" on page 12. If the print quality does not improve, clean the platen roller and paper path of the printer by following the instructions described in "Cleaning the Thermal Head" on page 12. ERROR LED on or flashing ❏ Check to see that the roll paper cover is closed and check the PAPER OUT LED. Close the cover or replace the roll paper if necessary. ❏ If the printer has been printing a lot, the thermal head may be hot. Wait for the head to cool. Printing will resume automatically. ❏ Open the roll paper cover, and check to see if the paper is jammed. If a paper jam occurs or if the roll paper cover will not open, see the section below. ❏ Turn the printer off and back on. If the LED is still flashing, notify your manager. The printer may require servicing. Paper jam Turn off the power and open the roll paper cover to remove the jammed paper. After that, install the roll paper correctly. If the roll paper cover will not open, see the section below. If glue or another foreign substance is present on the autocutter blade, platen roller, or the paper path, a paper jam is likely to occur. See "Cleaning the Thermal Head" on page 12 for cleaning instructions. The roll paper cover will not open Follow the steps below when the roll paper cover will not open. 1. Turn off the printer. 2. Insert a tool such as a screwdriver into the slots on both sides of the printer, and lift the cover in the direction of the arrow in illustration S to remove it. 3. Turn the knob in the direction of the arrow in illustration T, by using a ballpoint pen or tweezers, until you see a triangle mark in the opening. TM-L90 User's Manual 13