Solution
Are you using appropriate paper?Do you print data without margins?
Is the fixing unit dirty? (MF735Cx)
Dirt inside the machine may affect printing results. Perform care and cleaning to the machine first. Maintenance and Inspections
Are you using appropriate paper?
Check the supported paper types and replace with an appropriate type. Also, set the paper size and type correctly.
Do you print data without margins?
This symptom occurs if a margin is set to none in the printer driver. A margin of 5 mm or less around the edge of paper or 10 mm or less around the edge of envelopes is not printable with the machine. Make sure to have margins around the document to print.
[Finishing] tab [Advanced Settings]
[Expand Print Region and Print]
[Off]
Is the fixing unit dirty? (MF735Cx)
Change the setting of ⋖Regularly Clean Fix. Assembly⋗. The higher level you specify, the higher frequency of regular cleaning is performed.
If a higher level is specified, the printing speed may be slower.