Modem / Fax Card 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.
3
Test the phone line’s ability to send and
receive calls.
Did the phone line work properly?
Go to step 5.
Go to step 4.
4
Use the machine on a properly
functioning phone jack.
Did this fix the problem?
Problem resolved.
Go to step 5.
5
Is the modem card cable properly
connected to the system board at J8 and
the modem card?
Go to step 7.
Go to step 6.
6
Properly connect the modem card cable
to the modem card and system board.
Did this fix the problem?
Problem resolved.
Go to step 7.
7
Check the modem card cable for
continuity. Is there continuity?
Go to step 8.
Replace the modem
card cable.
8
Check the voltages from connector J8 on
the controller board. Check Pin 12 and
13 for +3.3VDC, Pin 10 for +5VDC. 2, 4,
6, and 8 are grounds. Are the signals or
voltages present?
Replace the modem
card.
Replace the system
board.
Fax Transmission Service Check
• Before performing this service check, verify that the correct country code for the machine is
selected. This setting must match the country in which the machine is used to transmit and receive
6. Troubleshooting
274
6
Содержание LI-MF1 M126
Страница 1: ...Model LI MF1 Machine Codes M126 M127 M128 Field Service Manual 26 August 2011 ...
Страница 2: ......
Страница 3: ...Safety Notices The following laser notice labels may be attached to this machine 1 ...
Страница 4: ...2 ...
Страница 5: ...3 ...
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Страница 7: ...5 ...
Страница 8: ...6 ...
Страница 9: ...7 ...
Страница 10: ...8 ...
Страница 17: ...XPS XML Paper Specification 15 ...
Страница 29: ...M Auto compensator Overview 27 1 ...
Страница 30: ...Main Boards Controller Board 1 Product Information 28 1 ...
Страница 37: ...2 Installation Installation Refer to the User s Guide 35 2 ...
Страница 38: ...2 Installation 36 2 ...
Страница 51: ...2 Remove the three screws B securing the top of the controller shield Removal Procedures 49 4 ...
Страница 58: ...4 Remove the e clip A from the gear 5 Remove the gear B and gear shaft C 4 Replacement and Adjustment 56 4 ...
Страница 59: ...6 Remove the screw D from the gear E 7 Remove the plastic bushing F Removal Procedures 57 4 ...
Страница 118: ...13 Remove the three screws A from the left rear frame assembly 4 Replacement and Adjustment 116 4 ...
Страница 119: ...14 Remove the three screws B from the right rear frame assembly Imaging Component Removals 117 4 ...
Страница 142: ...4 Replacement and Adjustment 140 4 ...
Страница 192: ...5 System Maintenance 190 5 ...
Страница 198: ...Symptom Action Fax reception fails p 276 Fax Reception Service Check 6 Troubleshooting 196 6 ...
Страница 286: ...4 Remove the jam 5 If the paper is still not visible open the rear door 6 Troubleshooting 284 6 ...
Страница 289: ...3 Remove the jam 4 Close the rear door 5 Close the front door 6 Touch Continue Paper Jams 287 6 ...
Страница 295: ...2 Open the ADF cover 3 Unlock the ADF separator roll 4 Remove the ADF separator roll Paper Jams 293 6 ...
Страница 298: ...6 Troubleshooting 296 6 ...
Страница 302: ...7 Energy Saving 300 7 ...
Страница 303: ...Model LI MF1 Machine Codes M126 M127 M128 Appendices 12 October 2011 ...
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Страница 306: ...2 ...
Страница 322: ...1 Appendix Specifications 18 1 ...
Страница 324: ...MEMO 20 EN ...