Oki X400 X400 User's Guide - English - Page 17

2. Using a soft cotton sheet moistened alcohol, clean all dirt and label residue from the print head, paying particular attention to the print line. Caution ! Do not clean the print head or drive roller using abrasive or metallic objects, ammonia-based cleaners or other harsh chemicals. The practices can cause serious damage and will void the warranty. 3. Wipe the platen roller with the cleaning cloth. To reach all portions of the platen roller, press the FEED button. The roller will rotate 1/4 turn each time you press the FEED button when the print head is unlatched. Caution ! Keep all objects clear of the platen roller when you press the FEED button 4. Confirm that the label sensor is unobstructed. Clean away any obstruction with a soft brush if necessary. 5. Resume the media loading procedure, or if there is already media in the printer, lower and lock the print head. 6. Resume normal operation. What To Do If ... OKIPOS X400 is very reliable, so printing problems are unlikely. If you do think you have a printer problem, proceed as follows: Confirm that the printer has the right media installed, and that it is loaded correctly. See page 5 for media loading instructions. 1. Confirm that the printer is connected to its power supply and the supply is plugged into an AC outlet having the proper voltage. 2. Open the print head and inspect the media path. Remove any obstructions, and clean the print head and drive roller according to the instructions on page 12. 15