DOWNLOAD Panasonic UF-885 / UF-895 (serv.man2) Service Manual ↓ Size: 15.89 MB | Pages: 127 in PDF or view online for FREE

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END

Yes

No

Is the document path blocked?

Remove the blockage.

Yes

No

Does the Tx Motor rotate?

1. Replace the Tx Motor.
2. Replace the FCB PCB.

Yes

No

Does the document feed into the
unit?

Check all gears and rollers.

Does the problem still occur?

Yes

Yes

No

No

Does the output of CN7, pin2,
on the FCB PCB, vary between 0
and +5V when a document is set
and removed?

Check the connection of CN7
on the FCB PCB and CN31
on the SNS PCB.

Replace the SNS PCB.

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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 FCB 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

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403,411,414

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END

END

Review the polling operation
referring to the User's Guide.

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.

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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 / CCITT Standard feature.
If the transmitter and receiver are of different manufacturers, polling communication with password 

may not

be possible.

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No

Yes

Is the printout in Service Mode 3
normal?

Check the Scanner mechanism.

Is the HVPS normal?

Is the LPC PCB normal?

Is the Toner Cartridge
operational?

Replace the Toner Cartridge.

1. Check all connectors and 

voltages on the HVPS.

2. Check the contacts between HVPS

and Toner Cartridge.

3. Replace the HVPS.

Yes

No

Yes

Yes

No

No

1. Check all connectors and 

voltages on the LPC PCB.

2. Replace the LPC PCB.

END

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