Lexmark T650 Service Manual - Page 192

4062 Image Quality Faint print (Low contrast) Leading edge Trailing edge Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path. Step Check Yes No 1 Check the media condition. Problem solved. Go to step 2. Load new, dry, recommended media, and perform a print test. Is the image density normal? 2 Check the toner level. Is the toner level normal? Go to step 3. Replace the print cartridge. 3 Check the transfer roll assembly for contamination and Go to step 4. wear. Is the above component free of excess wear and contamination? Replace the transfer roll assembly. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-78. 4 Check the print cartridge for proper installation. Is the print cartridge properly installed? Go to step 5. Inspect, clean and reinstall replace the print cartridge. 5 Check the laser beam route. Check for debris between the printhead assembly and the PC drum. Is the laser beam route free of debris and the glass window, in the printhead assembly, free of contamination? Go to step 6. Remove debris or clean the printhead assembly window. 6 Check the HVPS card assembly for proper connection. Replace the Replace the Is the above component properly connected? HVPS card assembly. Go to connections. "HVPS card assembly removal (T650, T652, T654)" on page 4-24. 2-158 Service Manual