Kyocera FS-9120DN Service Manual page 104

FS-9120DN/9520DN
(15) Fusing is poor.
Causes
1. Wrong paper.
2. Defective pressure springs.
3. Flawed press roller.
4. Defective fuser heater S.
(16) Image is out of fo-
cus.
Causes
1. Drum condensation.
(17) Image is not
square.
Causes
1. Laser scanner unit positioned incorrectly.
1-5-34
Causes
1. Wrong type of paper.
2. Defective pressure springs.
3. Flawed press roller.
4. Defective fuser heater S.
Check if the paper meets specifications. Replace paper.
Replace the pressure springs.
Replace the press roller (see page 1-6-19).
Replace the fuser heater S (see page 1-6-20).
Causes
1. Drum condensation.
Perform the drum refresh operation.
Causes
1. Laser scanner unit positioned incorrectly.
Adjust the installation position of the laser scanner unit
(see page 1-6-13).
Check procedures/corrective measures
Check procedures/corrective measures
Check procedures/corrective measures