Lexmark T420 Service Manual - Page 93

4048-00x Problem The print is getting light but the Toner Low light is not on. Action • The Toner Low light does not come on if the standard 5,000 page print cartridge is installed. • Remove the print cartridge and gently shake it from side to side to redistribute the toner. • Replace the print cartridge. The Toner Low light is on. • Remove the print cartridge and gently shake it from side to side to redistribute the toner. • Replace the print cartridge. Solid black areas on transparencies or paper contains white streaks. Faint images or repetitive spots appear on the page. • Choose a different fill pattern in your software application. • Try a different type of paper. Paper designed for copiers gives the best quality. • Remove the print cartridge and gently shake it from side to side to redistribute the toner. • Replace the print cartridge. • Select a different media type or form type setting from your printer driver. • Try a different type of paper. Paper designed for copiers gives the best quality. • Replace the print cartridge. Diagnostic Information 2-57