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3] troubleshooting – Sharp FO-475TH User Manual

Page 26

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UX-258TH
FO-475TH

[3] Troubleshooting

Refer to the following actions to troubleshoot any of problems mentioned
in 1-4.

[1]

A communication error occurs.

[2]

Image distortion produced.

[3]

Unable to do overseas communication.

[4]

Communication speed slow due to FALLBACK.

Increase the transmission level SOFT SWITCH A4-1, 2, 3, 4, 5.
May be used in case [1] [2] [3].

Decrease the transmission level SOFT SWITCH A4-1, 2, 3, 4,
5. May be used in case [3].

Apply line equalization SOFT SWITCH A5-1, 2.
May be used in case [1] [2] [3] [4].

Slow down the transmission speed SOFT SWITCH A2-1, 2, 3,
4. May be used in case [2] [3].

Replace the TEL/LIU PWB.
May be used in all cases.

Replace the control PWB.
May be used in all cases.

*

If transmission problems still exist on the machine, use the following

format and check the related matters.

TO:

ATT:

Ref.No. :

CC:

ATT:

Date

:

FM:

Dept

:

Sign

:

2 – 17

* Please complete this report before calling the “TAC” hotline if problem still occurs.

***** Facsimile communication problem *****

Ref.No.:

Date:

From: Mr.

Fax Tel No.:

Our customer

Name

Tel No.

Address

Fax No.

Contact person

Model name

Other party

Name

Tel No.

Address

Fax No.

Contact person

Model name

Problem mode

Line: Domestic / international

Model: G3

Phase: A, B, C, D.

Reception / Transmission

Automatic reception / Manual reception
Automatic dialing / Manual dialing / Others

Frequency:

%

ROM version:

Confirmation
item

Please mark problem with an X.

No problem is: 0.

A1 A2 B1 B2 C1 C2

D1 D2 E1 E2

Transmission level setting is ( ) dB at our
customer

Transmission level ( ) dBm
Reception level ( ) dBm
By level meter at B1 and B2

Comment

**** Please attach the G3 data and activity report on problem. ****

Countermeasure

Our customer

Our service

A1

A2

C1

D2

B1
B2

E1
E2

C2

D1

Other party

Other party's service

This manual is related to the following products: