DOWNLOAD Panasonic UF-6300 / UF-6200 / UF-5300 Service Manual ↓ Size: 7.55 MB | Pages: 127 in PDF or view online for FREE

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END

END

Yes

No

Is there a dial tone when 
MONITOR button is 
pressed?

1. Connect the telephone 
     line correctly.
2. Check the telephone line.

Yes

No

Is the remote machine busy?

Can the unit dial the 
reference unit?

No

1. Check all connectors.
2. Replace the SC PCB.

1. The remote machine is 
    defective.
2. Telephone line quality is 
     poor.  
    (Refer to Sect. 4.6.)

Press the REDIAL button to 
retry connection.

Yes

94

403, 411, 414

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END

END

Review the polling operation 
referring to the Operating 
Instructions.

Yes

Yes

No

Does the remote side have
polling transmission 
capability?

No

Ask the remote side to set 
their unit for polling operation.

Is the remote side set to 
polling transmission 
(Polled) Mode?

Check the password 
between the two units to 
ensure it matches.

415

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END

Inform the remote side 
(receiving side) that their 
machine does not have 
polling transmission
capability.

Polling communication with 4-digit password is not an ITU-T Standard feature.
If the transmitter and receiver are of different manufacturers, polling communication 
with password 

may not be possible. 

95

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No

Yes

Check the Scanner mechanism.

Is the Power Supply 
Unit normal?

Is the SC PCB normal?

Is the Toner Cartridge
operational?

Replace the Toner Cartridge.

1. Check all connectors and voltages 
     on the Power Supply Unit. 
2. Check the contacts between 
     PSU and Toner Cartridge.

3. Replace the PSU.

Yes

No

Yes

Yes

No

No

1. Check all connectors and voltages 
     on the SC PCB. 
2. Replace the SC PCB.

END

Paper Travel

Is the printout in Service 
Mode 3 normal?

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Check the Scanner mechanism.

Are there any foreign particles 
or stains on the BTR?

Is the Toner Cartridge
operational?

Is the Power Supply Unit 
normal?

Yes

Yes

Yes

No

No

No

Replace the Toner Cartridge .

Yes

No

1. Clean the BTR with a soft, 
     dry cloth.

2. Replace the BTR. 

1. Check all connectors and
     voltages on the Power Supply  
     Unit.
2. Check the Connector and 
     voltage on the Power 
     Supply Unit.
3. Replace the Power Supply Unit.

Are there any foreign particles 
or stains blocking the Laser 
Beam path?

Yes

No

Is the SC PCB normal?

1. Remove the particles from the 
     laser beam path or clean the stains.
2. Replace the Laser Unit (LSU).

1. Check all connectors and 

voltages on the SC PCB.

2. Replace the SC PCB.

Yes

No

Paper Travel

Is the printout in  Service 
Mode 3 normal?