From the control panel, navigate to:
Settings > Device > Notifications > Jam Content Recovery
In the Jam Recovery menu, select On or Auto.
Print the document.
Are the jammed pages reprinted?
The problem is solved.
Contact customer support.
Are the fine lines or special characters not printed correctly? Check the toner cartridge and adjust the toner darkness of your printer.
Enabling the collate setting allows your printer to assemble the pages of a document in proper order.