Panasonic KX-F900 Service Manual page 36

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(2) Receive problem
Confirm below before starting troubleshooting.
• Recording paper is installed properly?
NO
I
I RX problem
1
Can RX something anyway?
NO
FAX ring count (#07)is 2,3 or 4?
YES
Change FAX ring count to 1.
Increase "593: Time between
CED & 300 bps" to some
value.
l
I
Error code No. 68 (Echo)?
YES
Decrease "596:Transmit
level set" from -10 dBm to -
12 dBm or some.
I
I
]
YES
I
Many errors on image?
J No: Looks OK
Increase "595: RX error limit
value" to some•
NO
l
t hange"718:Receive speed 1
select" to 7200, 4800 or 2400
bps.
l
I Ask sender below change. 1
• Increase TX level•
• Change TX equalizer•
t YES
I
l
Change"718:Receive speed I
select" to 7200, 4800 or 2400
I
bps,
l
Ask sender below change.
• Increase "596:lransmit
level set"
Confirm below before starting troubleshooting.
CHECK THERMAL PAPER
CHECK COVER
OVERHEATED (doesn't return automatically, COVER OPEN, etc., it is necessary to reset)
PAPER JAM
Please refer to "2. User Recoverable Errors" (Refer to page 19) for the above items.
Also, when it actually becomes a hardware deformity, please check each sensor.
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