Diagnostic information
2-83
7541-03x
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
.
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Страница 14: ...xiv Service Manual 7541 03x ...
Страница 182: ...3 50 Service Manual 7541 03x ...
Страница 228: ...4 46 Service Manual 7541 03x 5 Remove the two screws C 6 Remove the two screws D ...
Страница 229: ...Repair information 4 47 7541 03x 7 Remove the one screw E 8 Remove the four screws F on top ...
Страница 230: ...4 48 Service Manual 7541 03x 9 Remove the two screws G on top 10 Remove the two screws H ...
Страница 231: ...Repair information 4 49 7541 03x 11 Remove one screw I 12 Remove the screw J ...
Страница 234: ...4 52 Service Manual 7541 03x 4 Remove the three screws B securing the bottom of power supply to the power supply cage ...
Страница 242: ...4 60 Service Manual 7541 03x 6 Remove the screw C from the lower left corner of the scanner power supply ...
Страница 263: ...Repair information 4 81 7541 03x 8 Push the fan cage back 9 Remove the two screws E in the upper right corner E ...
Страница 285: ...Repair information 4 103 7541 03x 4 Disconnect the fan cable B from the MDCONT engine board ...
Страница 300: ...4 118 Service Manual 7541 03x 5 Remove the screw C 6 Remove the screw D ...
Страница 301: ...Repair information 4 119 7541 03x 7 Remove the screw E ...
Страница 312: ...4 130 Service Manual 7541 03x 3 Remove the two screws A securing the motor frame to the ADF main feeder unit ...
Страница 342: ...4 160 Service Manual 7541 03x 4 Pull the two tabs B back to release the sensor from the mounting bracket ...
Страница 347: ...Repair information 4 165 7541 03x 4 Remove the hinge 5 Pull the inner top cover away from the ADF main feeder ...
Страница 351: ...Repair information 4 169 7541 03x 4 Lift the cover up and slide the tab on the cover out of the ADF assembly ...
Страница 358: ...4 176 Service Manual 7541 03x 6 Lift and pull the tray away from the printer ...
Страница 368: ...4 186 Service Manual 7541 03x 5 Take the MPF shaft out 6 Remove the MPF roll ...
Страница 392: ...5 4 Service Manual 7541 03x Rip Board connectors ...
Страница 398: ...5 10 Service Manual 7541 03x Printhead controller connectors ...
Страница 407: ...Locations 5 19 7541 03x Engine board connectors ...
Страница 426: ...5 38 Service Manual 7541 03x ...
Страница 428: ...6 2 Service Manual 7541 03x ...
Страница 430: ...7 2 Service Manual 7541 03x Assembly 1 Covers ...
Страница 432: ...7 4 Service Manual 7541 03x Assembly 2 Flatbed and ADF ...
Страница 434: ...7 6 Service Manual 7541 03x Assembly 3 Flatbed ...
Страница 436: ...7 8 Service Manual 7541 03x Assembly 4 ADF 1 ...
Страница 438: ...7 10 Service Manual 7541 03x Assembly 5 ADF 2 ...
Страница 440: ...7 12 Service Manual 7541 03x Assembly 6 Duplex components 1 ...
Страница 442: ...7 14 Service Manual 7541 03x Assembly 7 Duplex components 2 ...
Страница 444: ...7 16 Service Manual 7541 03x Assembly 8 Paper exit ...
Страница 446: ...7 18 Service Manual 7541 03x Assembly 9 Base 1 ...
Страница 448: ...7 20 Service Manual 7541 03x Assembly 10 Base 2 ...
Страница 450: ...7 22 Service Manual 7541 03x Assembly 11 Base 3 ...
Страница 452: ...7 24 Service Manual 7541 03x Assembly 12 Paper feed ...
Страница 454: ...7 26 Service Manual 7541 03x Assembly 13 Electrical 1 ...
Страница 456: ...7 28 Service Manual 7541 03x Assembly 14 Electrical 2 ...
Страница 458: ...7 30 Service Manual 7541 03x Assembly 15 Upper assembly ...
Страница 460: ...7 32 Service Manual 7541 03x Assembly 16 Printhead controller board cables ...
Страница 462: ...7 34 Service Manual 7541 03x Assembly 17 Paper trays ...
Страница 464: ...7 36 Service Manual 7541 03x Assembly 18 Fuser ...
Страница 466: ...7 38 Service Manual 7541 03x Assembly 19 550 sheet option feeder covers ...
Страница 468: ...7 40 Service Manual 7541 03x Assembly 20 550 sheet option feeder base ...
Страница 470: ...7 42 Service Manual 7541 03x Assembly 21 550 sheet option feeder paper feed ...
Страница 472: ...7 44 Service Manual 7541 03x Assembly 22 550 sheet option feeder tray ...
Страница 488: ...I 14 Service Manual 7541 03x ...