Step
Questions / actions
Yes
No
13
Check the device that cannot receive a
fax. Can it send a fax?
Go to step 14.
Stop here. The issue is
with the other device.
14
Press **411 to enter the Fax/SE Menu.
Select “Print Logs”.
Print the T30 transmission log. Check the
error being reported with the fax error
code table. See “Fax Error Codes” in
“Troubleshooting”. Perform the suggested
resolution for the error.
Did this fix the problem?
Problem resolved.
Go to step 15.
15
Adjust the “Transmit Level” setting in the
SE menu. Press **411 to enter the SE
menu, enter Modem settings, and select
“Transmit Level”.
Test by adjusting the transmitted signal
strength by decreasing/increasing the
‘Transmit Level’ setting in steps of 1db.
For example, if default value is -11 db,
changing it to -12db will decrease the
signal strength by 1db, and changing it to
-10db will increase the signal strength by
1db. Recommended adjustment range is
±5 db (in 1db steps) from the default
value.
Did this fix the problem?
Stop. Problem
resolved.
Go to your second-
level of support ( p.
279 "Escalating a
Fax Issue to Second-
Level Support").
Fax Reception Service Check
Step
Questions / actions
Yes
No
1
Is the phone line properly connected to
the modem card and the wall jack?
Go to step 3.
Go to step 2.
2
Properly connect the phone line to the
modem card and wall jack.
Did this fix the problem?
Problem resolved.
Go to step 3.
6. Troubleshooting
276
6
Summary of Contents for LI-MF1 M126
Page 1: ...Model LI MF1 Machine Codes M126 M127 M128 Field Service Manual 26 August 2011 ...
Page 2: ......
Page 3: ...Safety Notices The following laser notice labels may be attached to this machine 1 ...
Page 4: ...2 ...
Page 5: ...3 ...
Page 6: ...4 ...
Page 7: ...5 ...
Page 8: ...6 ...
Page 9: ...7 ...
Page 10: ...8 ...
Page 17: ...XPS XML Paper Specification 15 ...
Page 29: ...M Auto compensator Overview 27 1 ...
Page 30: ...Main Boards Controller Board 1 Product Information 28 1 ...
Page 37: ...2 Installation Installation Refer to the User s Guide 35 2 ...
Page 38: ...2 Installation 36 2 ...
Page 51: ...2 Remove the three screws B securing the top of the controller shield Removal Procedures 49 4 ...
Page 59: ...6 Remove the screw D from the gear E 7 Remove the plastic bushing F Removal Procedures 57 4 ...
Page 142: ...4 Replacement and Adjustment 140 4 ...
Page 192: ...5 System Maintenance 190 5 ...
Page 198: ...Symptom Action Fax reception fails p 276 Fax Reception Service Check 6 Troubleshooting 196 6 ...
Page 298: ...6 Troubleshooting 296 6 ...
Page 302: ...7 Energy Saving 300 7 ...
Page 303: ...Model LI MF1 Machine Codes M126 M127 M128 Appendices 12 October 2011 ...
Page 304: ......
Page 306: ...2 ...
Page 322: ...1 Appendix Specifications 18 1 ...
Page 324: ...MEMO 20 EN ...