Lexmark T65 Series - Vertical Void Lines and Bands

Lexmark T65x and X65x Mono Product Study Guide Rev 1.47
For Training Purposes Only 6/3/2009
37
Vertical void lines and bands (process direction)
CHECK THE MEDIA CONDITION
Load new, dry, recommended media and re-print the defective image.
CHECK THE MEDIA TRANSFER ROUTE (PAPER PATH)
Make certain it is free of debris or contamination.
CHECK THE LASER BEAM
Check the laser beam route.
Check for debris between the printhead assembly and the PC drum.
Check the four printhead assembly windows for contamination.
Is the laser beam route free of debris and the glass window, in the printhead assembly, free of
contamination?
CHECK THE TONER CARTRIDGE TO BE CERTAIN THAT IT IS INSTALLED CORRECTLY.
Inspect, clean and reinstall or replace print cartridge.
CHECK THAT THE TRANSFER ROLL ASSEMBLY IS FREE OF EXCESS WEAR & CONTAMINATION.
CHECK THE PRINTHEAD ASSEMBLY FOR PROPER CONNECTIONS
Reseat the connections properly.
If the component seems to be connected correctly, replace the printhead assembly.
CHECK THE SYSTEM CARD FOR PROPER CONNECTIONS
Reseat the connections properly.
If the component seems to be connected correctly, replace the system card.