4. Troubleshooting
4.7.12. Poor fusing performance
A. Typical faulty images
B. Troubleshooting procedure
Step
Cause
Action
1
Check the paper type.
Depending on what type of paper used, print speed
varies.
(ex)
•
Plain (71~90g/), Thick (91~105g/) : Full Speed
•
Heavy weight (106~175g/) : Half Speed
•
Envelope (75~90 g/), Label (120~150 g/) : Half
Speed
Check the paper type on control panel is same as paper
user uses.
(Refer to 2.2.7.)
2
The fuser unit is worn out.
Replace the fuser unit.
3
Check if the surface of the fuser belt & pressure roller
is scratched.
Replace the fuser unit.
4
Check if the temperature control system has problems.
•
Thermistor is broken or operates abnormally
•
Halogen lamp is broken or operates abnormally.
Check the Non-contact thermistor sensor.
Check the Halogen lamp.
(Refer to 4.5.7. U1–2113)
If you find some problems, replace the broken parts or
Fuser unit.
5
Check if the pressure control system operates properly.
Check the pressure control system.
(Refer to 4.5.7. U1–2115)
The problem persists, replace Fuser unit.
6
Paper is wrapped on the Heating roller.
Remove a wrapped paper and print the demo page.
If there are some problems on the printout, replace Fuser
unit.
4-229
Copyright© 1995-2013 SAMSUNG. All rights reserved.