DOWNLOAD Panasonic DX-600 / DX-800 Service Manual ↓ Size: 14.02 MB | Pages: 127 in PDF or view online for FREE

Model
DX-600 DX-800
Pages
127
Size
14.02 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / FACSIMILE
File
dx-600-dx-800.pdf
Date
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121
     
DX-600/800
APR 2002
Edition 1.0
4.4.14.
Poor Printed Copy Quality
START
Is the Test Pattern printout 
in Service Mode 3 normal?
1. Replace the SC PCB.
2. Replace the Laser Unit (LSU).
3. Replace the Power Supply Unit.
4. Replace the Toner Cartridge .
END
Perform a receiving test 
with the reference  fax unit. 
Is the printed copy correct?
Yes
No
Make a local copy.
No
Yes
Check the Transmission Block
(CN30 on the CCD PCB and CN7 on
the SC PCB. 
Is the received copy correct?
1. Check the CN18 on the SC PCB.
2. Check the CN28 and 29 on the 
     MJR PCB.
3. Check the Telephone Line Cable.
4. Replace the SC PCB.
Yes
No
Is a poor copy printed only 
when receiving from a 
specific transmitter?
Yes
No
Telephone line quality is poor.
(Refer to 4.6.)
The transmitting machine 
may be defective.
122
     
DX-600/800
APR 2002
Edition 1.0
4.4.15.
Abnormal Printing
START
Is the recording paper loaded 
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.
Is a Panasonic Toner 
Cartridge being used?
Yes
No
Is the recording paper size and
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?
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
123
     
DX-600/800
APR 2002
Edition 1.0
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?
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.
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.).
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).
Yes
No
124
     
DX-600/800
APR 2002
Edition 1.0
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.
Yes
No
the document is set?
Is the "Pi.." tone generated when
Does the ADF Sensor actuator
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.
Yes
No
Is the ADF Roller surface dirty?
Clean the ADF Roller surface.
Adjust the separator pressure.
Is the trouble solved?
END
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