Defect Symptom The printer is no longer registered (black to the page) and/or aligned (colors to black) after replacing ITU module.
Troubleshooting 
This print defect can occur if the printer is not aligned before the ITU is installed or should the cartridges be replaced at the same time. To resolve this, follow the suggested diagnosis in .
Contacting Lexmark Please contact Lexmark Technical Support if you need additional assistance.
NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating your printer's model type and serial number, How to Locate the Serial Number, Machine Type, and Configuration ID on a Lexmark C792 or X792 Printer/MFP.
Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.
LEGACY ID: SO7122