Panasonic UF-890 Service Manual page 149

4.5.2 Document does not feed or Multiple feeds
START
Is the ADF Door locked?
Is the adjustment of the
Separation Rubber normal?
Are the ADF and Pre-Feed
Rollers clean?
Is the ADF Roller worn out?
Do the ADF and Pre-Feed
Rollers drive properly?
END
No
Yes
Close the ADF Door firmly.
No
Yes Is the Separation Rubber worn
out?
Replace the Separation Rubber.
No
Yes
Clean the surface of the rollers
with isopropyl alcohol (Sect. 2.5).
Yes
Replace the ADF Roller
No
(Sect. 2.7).
No
Yes
Does the ADF Roller's gear
system function properly?
No
Yes
No
Yes
149
Clean or adjust the Separation
Rubber Pressure (Sect. 2.3).
Adjust the gear system or replace
defective parts.