Kyocera FS-9120DN - Page 104

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