Lexmark 7421 XM9165
Service Mode, Troubleshooting - Table Of Contents
- Service menus. Diagnostics menu. 1. How to Enter, Reset Counters
- Troubleshooting. Print quality. 1. Initial check
- Troubleshooting. Print quality. Blank pages check
- Troubleshooting. Print quality. Gray background check
- Troubleshooting. Print quality. Shadow images check
- Troubleshooting. Print quality. Skewed print check
- Troubleshooting. Print quality. Solid black pages check
- Troubleshooting. Print quality. Streaked horizontal or vertical lines check
- Troubleshooting. Print quality. Toner smear check
- Troubleshooting. Print quality. Toner specks check