B710 B720 B730 User’s Guide > 103
Envelope is
wrinkled.
Envelopes can get
wrinkled depending on
the type used.
Open cover B of this printer
and lift up the levers at both
ends of the fuser unit. The
wrinkles can be reduced.
Important! After printing the
envelope, remember to return
the levers to their original
positions.
Strange
noise.
Is the printer placed on
a flat location?
Place the printer on a stable
surface.
Is cover A open?
Close cover A securely.
Is the paper tray set
correctly?
Push the paper tray completely
into the printer.
Are there foreign
objects inside the
printer?
Turn off the power and remove
any foreign objects inside the
printer.
If the object cannot be
removed unless the printer is
disassembled, contact service.
Symptom
Explanation
Action