EPSON AcuLaser CX11/CX11F
Revision B
TROUBLESHOOTING
Fax Function
291
3.6.3 Other Troubles and the Remedies
Table 3-16. List of Troubles and Remedies
Trouble
Symptom
Possible Cause
Check Point
Remedy
Dialing troubles using
PBX system
The product does not start dialing.
The dial tone setting is not appropriate.
Check the PBX setup and system
parameter setting of the product.
(To see the system parameter setting,
execute “Read backup data” using the
Fax Maintenance Tool.)
Change the corresponding system
parameter settings according to the
PBX setup.
The product fails to dial despite the fact
there is no trouble on the receiving end.
The parameter settings for pulse dialing (Make
time/Break time) to be recognized by a PBX are
not appropriate.
The parameter settings for tone dialing (Tone time)
to be recognized by a PBX are not appropriate.
The product does not receive a fax.
The parameter settings relating to Ring (frequency,
cadence, etc.) are not appropriate.
The product cannot achieve high-speed
communication.
It is attributed to the PBX characteristic.
Communication errors and incorrect
printing of faxes occur frequently.
Occurrence of a specific tone at regular intervals
by the PBX causes the symptom.
Communication errors
with overseas recipient
Communication errors and incorrect
printing of faxes occur frequently.
It is attributed to the line quality.
(echo, noise)
Call the recipient to check the line
quality.
(Use another communication
method)
The fax-signal level is too low.
Get the communication protocols log
and analyze it.
Change the corresponding system
parameter settings.
Transmitting troubles
from other fax
machines to the product
Cannot establish the communication with
the product.
The protocols do not meet the ITU-T standard.
Get the communication protocols log
and analyze it.
Change the corresponding system
parameter settings.
Occurrence of a particular tone
Multiple pages cannot be transmitted at a
time (one page only)
The protocols do not meet the ITU-T standard.
A complex fax, such as one with many
graphics, cannot be transmitted.
The protocols do not meet the ITU-T standard.
Troubles depend on
environment
configurations
Cannot establish the communication.
The recipient is using a signal analyzer, coder, or
any other special devices to receive a fax.
Get the communication protocols log
and analyze it.
Change the corresponding system
parameter settings.
Abnormal operation occurs when receiving
faxes and dialing.
A phone/fax auto switch device is used.
Troubles depend on the
installation status
Abnormal operation occurs when receiving
faxes and dialing.
Too many devices are parallel-connected.
Check the connection status.
Correct the improper connection
method.
Accessing to phone line cannot be made.
The interior wiring is not correct (improper
connection).
The product gets disconnected upon starting
to receive a fax.
The LINE/TEL is connected reversely.
Summary of Contents for AcuLaser CX11 Series
Page 1: ...EPSON AcuLaserCX11 CX11F Color Multi Function Page Printer SERVICE MANUAL SEOT04007 ...
Page 11: ...Schematic Diagram of Safety System ...
Page 15: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 75: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 126: ...C H A P T E R 3 TROUBLESHOOTING manuals4you com manuals4you com ...
Page 297: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 528: ...C H A P T E R 5 ADJUSTMENT manuals4you com manuals4you com ...
Page 543: ...C H A P T E R 6 MAINTENANCE ...
Page 562: ...C H A P T E R 7 APPENDIX manuals4you com manuals4you com ...
Page 618: ...IR A ASSY manuals4you com manuals4you com ...
Page 619: ...IR B ASSY ...
Page 620: ...1 4 3 01 1 01 2 2 DOC COVER manuals4you com manuals4you com ...
Page 621: ...2 3 4 5 6 7 8 9 10 11 1 13 11 17 18 12 22 14 19 16 20 21 15 11 11 13 ADF UNIT ASSY ...
Page 624: ...PAPER GUIDE ASSY manuals4you com manuals4you com ...
Page 627: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 1 of 6 Rev A ...
Page 629: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 3 of 6 Rev A ...
Page 631: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 5 of 6 Rev A ...