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Service Manual
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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 2.
Go to step 3.
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 ribbon cable properly
connected to the RIP board at JMOD2 and
the modem card?
Go to step 7.
Go to step 6.
6
Properly connect the modem card cable to the
modem card and RIP board.
Did this fix the problem?
Problem resolved.
Go to step 7.
7
Check the modem card ribbon cable for
continuity.
Is there continuity?
Go to step 8.
Replace the modem card
cable.
8
Check the voltages from connector JMOD2 on
the RIP board.
Are the voltages approximately correct?
Replace the fax card. See
“Fax card removal” on
page 4-31
.
Replace the RIP board. Go
to
“RIP board removal” on
page 4-19
.
JMOD2
Pin
Voltage
4
+ 3.3 V dc
5
+ 3.3 V dc
7
+ 5 V dc
9
Ground
11
Ground
13
Ground
15
Ground
17
Ground
19
Ground
Содержание X548 Series
Страница 10: ...x Service Manual 7525 63x Go Back Previous Next...
Страница 15: ...Notices and safety information xv 7525 63x Go Back Previous Next...
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Страница 44: ...1 22 Service Manual 7525 63x Go Back Previous Next...
Страница 116: ...2 72 Service Manual 7525 63x Go Back Previous Next...
Страница 191: ...Repair information 4 5 7525 63x Go Back Previous Next 4 Remove the three screws A on the rear side of the left cover A...
Страница 200: ...4 14 Service Manual 7525 63x Go Back Previous Next 9 Remove the two springs D 10 Remove the two screws E on the bottom D...
Страница 212: ...4 26 Service Manual 7525 63x Go Back Previous Next b Rotate the tab into position and replace the three screws A A...
Страница 300: ...4 114 Service Manual 7525 63x Go Back Previous Next 6 Remove the user interface controller card...
Страница 302: ...5 2 Service Manual 7525 63x Go Back Previous Next Rear Part name 1 Power 2 Line 3 Extension 4 Ethernet 5 USB 1 2 5 4 3...
Страница 303: ...Locations 5 3 7525 63x Go Back Previous Next Print engine interior view...
Страница 316: ...5 16 Service Manual 7525 63x Go Back Previous Next HVPS...
Страница 318: ...5 18 Service Manual 7525 63x Go Back Previous Next LVPS...
Страница 324: ...6 4 Service Manual 7525 63x Go Back Previous Next...
Страница 326: ...7 2 Service Manual 7525 63x Go Back Previous Next Assembly 1 Covers 7 11 9 8 1 2 3 4 5 6 10...
Страница 328: ...7 4 Service Manual 7525 63x Go Back Previous Next Assembly 2 Scanner 2 1 4 3 5 6 8 10 11 12 7 13 9...
Страница 330: ...7 6 Service Manual 7525 63x Go Back Previous Next Assembly 3 Operator panel 1 2 3 4 7 8 5 6 9...
Страница 332: ...7 8 Service Manual 7525 63x Go Back Previous Next Assembly 4 Paperpath 5 2 4 7 6 1 3 8 9 3 10...
Страница 334: ...7 10 Service Manual 7525 63x Go Back Previous Next Assembly 5 Electronics 1 2 3 4A 4B 5 6 4C 4D 7 8...
Страница 336: ...7 12 Service Manual 7525 63x Go Back Previous Next Assembly 6 Electronics 2...
Страница 338: ...7 14 Service Manual 7525 63x Go Back Previous Next Assembly 7 Media drawers and trays 1 3 2 4 2...
Страница 344: ...I 4 Service Manual 7525 63x Go Back Previous Next...
Страница 347: ...Part number index I 7 7525 63x Go Back Previous Next...