Panasonic UF-8300 / UF-8200 / UF-7300 / UF-7200 (serv.man4) Service Manual ▷ View online
113
UF-7300/7200
UF-8300/8200
4.3.15. Abnormal Printing
START
Is the recording paper loaded
in the Cassette properly?
in the Cassette properly?
1. Adjust the Paper Width Guide.
2. Adjust the Paper Length Guide.
3. Ensure the paper is under the Paper
Separation Clips.
2. Adjust the Paper Length Guide.
3. Ensure the paper is under the Paper
Separation Clips.
Is a Panasonic Toner
Cartridge being used?
Cartridge being used?
Yes
No
Is the recording paper size, and
thickness within specification?
thickness within specification?
Yes
No
Yes
No
Replace with correct paper.
Replace with a Panasonic Toner Cartridge.
Are all switches, and sensors
operating properly?
Do the rollers rotate properly?
Yes
No
Are there any foreign particles
or paper pieces in the receiver
unit?
or paper pieces in the receiver
unit?
Yes
No
Remove the foreign particles, or paper pieces
from the receiver unit.
1. Check all rollers, gears, drive clutches, and
springs.
2. Adjust, or replace any defective parts.
Adjust, clean, or replace.
Yes
No
Is the receiving mechanism
operating correctly?
Yes
No
Adjust, or replace any defective parts.
END
114
UF-7300/7200
UF-8300/8200
4.3.16. Scanned Copy Quality Problems
No
Yes
START
Is the LED Array abnormal?
Check with F4 Mode (Check Output)
No.120 Lamp.
Check with F4 Mode (Check Output)
No.120 Lamp.
Replace the CIS Assembly.
END
Are the Transmitting Rollers dirty?
Are there any foreign particles, or
paper pieces in the scanning area?
Yes
No
Remove the foreign particles, or paper pieces
from the scanning area.
from the scanning area.
No
Yes
Is the scanning area dirty?
1. Clean the Scanning Glass.
No
Yes
Clean the rollers.
Is the Scanner Assembly abnormal?
Yes
No
2. Check CIS Assembly.
3. Replace the SC PCB (Sect. 2.).
4. Replace the CIS Assembly (Sect. 2.).
3. Replace the SC PCB (Sect. 2.).
4. Replace the CIS Assembly (Sect. 2.).
1. Check SC PCB.
2. Clean the White Sheet.
115
UF-7300/7200
UF-8300/8200
4.4.
Document Feeder (ADF)
4.4.1.
No Document Feed
START
END
No
Is the ADF Unit closed?
Close the ADF Unit firmly.
Yes
No
Is the ADF Roller clean?
Clean the surface of the roller
with water (Sect. 2.).
with water (Sect. 2.).
Yes
No
Is the ADF Roller worn out?
Replace the ADF Roller
(Sect. 2.).
(Sect. 2.).
Yes
No
Does the ADF Roller drive
properly?
properly?
Does the ADF Roller's gear
system function properly?
system function properly?
Yes
No
Separator Pad normal?
Is the adjustment of the
Is the Separator Pad worn
out?
out?
Replace the Separator Pad.
No
Clean, or adjust the Separator
Pad Pressure (Sect. 2.).
Pad Pressure (Sect. 2.).
No
Yes
Adjust the gear system, or replace
defective parts.
defective parts.
Yes
Yes
116
UF-7300/7200
UF-8300/8200
4.4.2.
Document Does Not Feed or Multiple Feeds
START
END
No
Is the ADF Unit closed?
Close the ADF Unit firmly.
Yes
No
Is the ADF Roller clean?
Clean the surface of the roller
with water (Sect. 2.).
with water (Sect. 2.).
Yes
No
Is the ADF Roller worn out?
Replace the ADF Roller
(Sect. 2.).
(Sect. 2.).
Yes
No
Does the ADF Roller drive
properly?
properly?
Does the ADF Roller's gear
system function properly?
system function properly?
Yes
No
Separator Pad normal?
Is the adjustment of the
Is the Separator Pad worn
out?
out?
Replace the Separator Pad.
No
Clean, or adjust the Separator
Pad Pressure (Sect. 2.).
Pad Pressure (Sect. 2.).
No
Yes
Adjust the gear system, or replace
defective parts.
defective parts.
Yes
Yes
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