Diagnostic information
2-87
7541-03x
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Words on fax are stretched
The sending machine had a temporary jam.
Incoming fax has blank spaces or poor quality
1.
The sending fax machine may be faulty.
2.
The sending fax machine may have a dirty document glass.
3.
A noisy phone line can cause errors.
4.
Check the MFP print quality by making a copy.
5.
The print cartridge may be empty. Replace as necessary.
No dial tone
Fax dials a number, but no connection is made
The other fax machine may be turned off. Ask the fax recipient to check their machine.
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 MFP 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
JMODEM1 on the RIP board. Check Pin
10 +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 RIP board.
See
“RIP board
removal” on
page 4-73
.
Summary of Contents for X925 7541-03 series
Page 14: ...xiv Service Manual 7541 03x Go Back Previous Next ...
Page 188: ...3 50 Service Manual 7541 03x Go Back Previous Next ...
Page 306: ...4 118 Service Manual 7541 03x Go Back Previous Next 5 Remove the screw C 6 Remove the screw D ...
Page 307: ...Repair information 4 119 7541 03x Go Back Previous Next 7 Remove the screw E ...
Page 404: ...5 4 Service Manual 7541 03x Go Back Previous Next Rip Board connectors ...
Page 410: ...5 10 Service Manual 7541 03x Go Back Previous Next Printhead controller connectors ...
Page 419: ...Locations 5 19 7541 03x Go Back Previous Next Engine board connectors ...
Page 438: ...5 38 Service Manual 7541 03x Go Back Previous Next ...
Page 440: ...6 2 Service Manual 7541 03x Go Back Previous Next ...
Page 442: ...7 2 Service Manual 7541 03x Go Back Previous Next Assembly 1 Covers ...
Page 444: ...7 4 Service Manual 7541 03x Go Back Previous Next Assembly 2 Flatbed and ADF ...
Page 446: ...7 6 Service Manual 7541 03x Go Back Previous Next Assembly 3 Flatbed ...
Page 448: ...7 8 Service Manual 7541 03x Go Back Previous Next Assembly 4 ADF 1 ...
Page 450: ...7 10 Service Manual 7541 03x Go Back Previous Next Assembly 5 ADF 2 ...
Page 452: ...7 12 Service Manual 7541 03x Go Back Previous Next Assembly 6 Duplex components 1 ...
Page 454: ...7 14 Service Manual 7541 03x Go Back Previous Next Assembly 7 Duplex components 2 ...
Page 456: ...7 16 Service Manual 7541 03x Go Back Previous Next Assembly 8 Paper exit ...
Page 458: ...7 18 Service Manual 7541 03x Go Back Previous Next Assembly 9 Base 1 ...
Page 460: ...7 20 Service Manual 7541 03x Go Back Previous Next Assembly 10 Base 2 ...
Page 462: ...7 22 Service Manual 7541 03x Go Back Previous Next Assembly 11 Base 3 ...
Page 466: ...7 26 Service Manual 7541 03x Go Back Previous Next Assembly 13 Electrical 1 ...
Page 468: ...7 28 Service Manual 7541 03x Go Back Previous Next Assembly 14 Electrical 2 ...
Page 470: ...7 30 Service Manual 7541 03x Go Back Previous Next Assembly 15 Upper assembly ...
Page 474: ...7 34 Service Manual 7541 03x Go Back Previous Next Assembly 17 Paper trays ...
Page 476: ...7 36 Service Manual 7541 03x Go Back Previous Next Assembly 18 Fuser ...
Page 478: ...7 38 Service Manual 7541 03x Go Back Previous Next Assembly 19 550 sheet option feeder covers ...
Page 480: ...7 40 Service Manual 7541 03x Go Back Previous Next Assembly 20 550 sheet option feeder base ...
Page 484: ...7 44 Service Manual 7541 03x Go Back Previous Next Assembly 22 550 sheet option feeder tray ...
Page 500: ...I 14 Service Manual 7541 03x ...