Service manual

EPSON Stylus COLOR 480 Revision B
Troubleshooting Unit Level Troubleshooting 57
If the problem fits to the detail phenomenon in the table, make sure the check point and
repair the product following the corresponding remedy mentioned in the table when
you find the defective parts in the check point.
Table 3-9. Paper out error indication on STM3
Paper out error indication on STM3
Step
No.
Detail phenomenon Check point Remedy
1
ASF LD roller attempt
to load the paper.
But, paper is not
loaded at all. The LD
roller seems slipping.
• Check the surface of
the LD roller if the
micro pearl or severe
smear is adhered.
If it is no problem,
proceed the next step
• Set a cleaning sheet in
the ASF up side down.
Then holding the top
edge, try to load the
paper from the Printer
driver. The micro pearl
on the LD roller surface
is removed. To remove
severe smear, staple a
cloth moistened with
alcohol to a post card
and clean the roller in the
same manner.
• If the problem is not
solved, replace the LD
roller with new one.
LD roller
C L Sheet
N on-adhesive A rea
Adhesive A rea
This side dow n
(U s e a p o s t c a rd
fo r th e b a s e s h e e t.)
Staplers
C loth m oistened
w ith alcohol
Table 3-10. Paper out error indication on STM3
Paper out error indication on STM3
Step
No.
Detail phenomenon Check point Remedy
2
ASF LD roller dose not
attempt to load the
paper. But, the PF
motor and the Spur
gear 35.2 is rotating.
• Check if the clutch
tooth is broken.
If it is no problem,
proceed the next step.
• Replace the clutch
mechanism with new
one.
3
ASF LD roller dose not
attempt to load the
paper. But, the PF
motor and the Spur
gear 35.2 is rotating.
1. Check if the tension
spring 0.143 comes off
in the Clutch
mechanism.
1. Se the tension spring
0.143 in the clutch
mechanism.
2. Set the Compression
spring 0.98 in the
Change lever.
Spur gear 35.2
Clutch tooth
Tension spring
0.143