Epson SC-F3000 Series Manual page 12

SC-F3000 Series How to Replace the Print Head
B
Change the settings to On.
C
Turn off the power to the printer, and start it
normally.
D
Send an actual print job to confirm if the print
results are improved.
c
Important:
Print jobs cannot be received while in User Self
Repair Mode. Be sure to restart in the normal
way before you send a print job.
If the print results are not improved, execute
Diagnosis again.
"How to Do Diagnosis" on page 11
U
How to Do Diagnosis
12