Read Panasonic UF-585 / UF-595 (serv.man2) Service Manual online
Panasonic UF-585 / 595
124
4.4.14
Poor Printed Copy Quality
START
Is the printout in Service Mode 3
normal?
normal?
1. Replace the LPC PCB.
2. Replace the LSU.
3. Replace the HVPS.
4. Replace the Toner Cartridge.
2. Replace the LSU.
3. Replace the HVPS.
4. Replace the Toner Cartridge.
END
Perform a receiving test with the
reference fax unit.
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
CN4 on the SCA/SCB PCB).
(CN30 on the CCD PCB and
CN4 on the SCA/SCB PCB).
Is the received copy correct?
1. Check CN8 on the SCA/SCB PCB.
2. Check CN25 on the LCU PCB.
3. Check the Telephone Line Cable.
4. Replace the SCA/SCB PCB.
2. Check CN25 on the LCU PCB.
3. Check the Telephone Line Cable.
4. Replace the SCA/SCB PCB.
Yes
No
Is a poor copy printed when
receiving from a specific
transmitter?
receiving from a specific
transmitter?
Yes
No
Telephone line quality is poor.
(Refer to Sect. 4.6.)
(Refer to Sect. 4.6.)
The transmitting machine may be
defective.
defective.
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