Panasonic UF-6300 / UF-6200 / UF-5300 Service Manual ▷ View online
109
4.4.16. Scanned Copy Quality Problems
START
No
Yes
Is the LED Array abnormal?
Replace the LED Array.
END
Are the Transmitting Rollers
dirty?
dirty?
Are there any foreign particles, or
paper pieces in the scanning area?
paper pieces in the scanning area?
Yes
No
Remove the foreign particles, or paper
pieces from the scanning area.
pieces from the scanning area.
No
Yes
Is the scanning area dirty?
1. Clean the Scanning Glass (Sect. 2.2.4.).
2. Clean Mirrors 1, 2, and 3 (Sect. 2.2.8.).
2. Clean Mirrors 1, 2, and 3 (Sect. 2.2.8.).
No
Yes
Clean the rollers (Sect. 2.2.4.).
Is the Scanner Assembly abnormal?
1. Check CN7 (SC PCB).
2. Check CN30 (CCD PCB).
3. Replace the Scanner Block (321) (Sect. 2.2.8.).
4. Replace the SC PCB (Sect. 2.2.10).
2. Check CN30 (CCD PCB).
3. Replace the Scanner Block (321) (Sect. 2.2.8.).
4. Replace the SC PCB (Sect. 2.2.10).
Yes
No
110
4.5.
Document Feeder (ADF)
4.5.1.
No Document Feed
START
END
Yes
No
Is the document set properly?
Set the document properly.
Yes
No
Is the document thickness, or size
within specification?
Make a copy, or cut the document
to the specification size.
to the specification size.
Yes
No
the document is set?
Is the "Pi.." tone generated when
Does the ADF Sensor actuator
move smoothly?
move smoothly?
Replace the PNL PCB.
No
Adjust, or replace the actuator.
No
Yes
Yes
Replace the PNL PCB.
Yes
Yes
No
Does the ADF Roller rotate?
Replace the Transmit Motor.
Is the trouble solved?
No
Replace the ADF Roller, or
Separation Rubber, or both.
Separation Rubber, or both.
Yes
No
Is the ADF Roller surface dirty?
Clean the ADF Roller surface.
Adjust the separator pressure.
Is the trouble solved?
END
111
4.5.2.
Document does not feed or Multiple feeds
START
END
No
Is the Control Panel Unit locked?
Close the Control Panel Unit firmly.
Yes
No
Is the ADF Roller clean?
Clean the surface of the roller
with isopropyl alcohol (Sect. 2.2.4)
with isopropyl alcohol (Sect. 2.2.4)
Yes
No
Is the ADF Roller worn out?
Replace the ADF Roller
(Sect. 2.2.8).
(Sect. 2.2.8).
Yes
No
Does the ADF Roller drive
properly?
properly?
Does the ADF Roller's gear
system function properly?
system function properly?
Yes
No
Separation Rubber normal?
Is the adjustment of the
Is the Separation Rubber worn
out?
out?
Replace the Separation Rubber.
No
Clean, or adjust the Separation
Rubber Pressure (Sect. 2.2.2).
Rubber Pressure (Sect. 2.2.2).
No
Yes
Adjust the gear system, or replace
defective parts.
defective parts.
Yes
Yes
112
4.5.3.
Document Jam (030) or Skew
END
START
Close the Control Panel Unit
firmly.
firmly.
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Is the Control Panel Unit
closed?
closed?
Copy Mode
Sample
Clean, or replace PNL1 PCB.
Do all sensors on the PNL1
PCB operate normally?
PCB operate normally?
Clean the surface of roller
with isopropyl alcohol
(Sect.2.2.4).
with isopropyl alcohol
(Sect.2.2.4).
Does the Feed Roller have
drive, and sufficient friction?
drive, and sufficient friction?
Remove the foreign particles,
or papers from the document
path.
or papers from the document
path.
Is the document path clear
of foreign particles, or paper?
of foreign particles, or paper?
Adjust, or replace any
defective parts.
defective parts.
Is the Transmitting
mechanism operating
properly?
mechanism operating
properly?
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