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Service Manual
7558-
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191.02–191.05 Upper engine PCBA fuse blown
191.06 Lower engine PCBA fuse 2 blown
191.07 Lower engine PCBA fuse 3 blown
Step
Action and questions
Yes
No
1
POR the machine.
Does the error remain?
Go to step 2.
Problem resolved
2
Check the upper engine PCBA.
Is the above component
properly connected?
Replace the upper engine PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
Replace the connections.
Step
Action and questions
Yes
No
1
Warning:
Remove the cause of
blown fuse before replacing the
lower engine PCBA.
Check the following parts circuits
for overcurrent and overvoltage.
• LED printhead (Y, M, C, K)
• Printhead interface contact
(Y, M, C, K)
Are the current and voltage
values normal?
Go to step 2.
Replace the faulty parts.
2
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
Problem resolved
Step
Action and questions
Yes
No
1
Warning:
Remove the cause of
blown fuse before replacing the
lower engine PCBA.
Check the following parts circuits
for overcurrent and overvoltage:
• Tray module controller PCBA
• HCF
Are the current and voltage
values normal?
Go to step 2.
Replace the faulty parts.
2
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
Problem resolved
Содержание X95 series
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Страница 464: ...3 112 Service Manual 7558 xxx Go Back Previous Next TTM theory of operations ...
Страница 471: ...Diagnostic aids 3 119 7558 xxx Go Back Previous Next 3TM theory of operations ...
Страница 477: ...Diagnostic aids 3 125 7558 xxx Go Back Previous Next 1TM theory of operations ...
Страница 483: ...Diagnostic aids 3 131 7558 xxx Go Back Previous Next High capacity feeder theory of operations ...
Страница 494: ...3 142 Service Manual 7558 xxx Go Back Previous Next ...
Страница 506: ...4 12 Service Manual 7558 xxx Go Back Previous Next 6 Remove the operator panel top cover ...
Страница 512: ...4 18 Service Manual 7558 xxx Go Back Previous Next 5 Remove the rear lower cover ...
Страница 528: ...4 34 Service Manual 7558 xxx Go Back Previous Next 8 Disconnect all the cables from the bridge PCBA ...
Страница 586: ...4 92 Service Manual 7558 xxx Go Back Previous Next 10 Remove the duct from the machine 11 Release the two hooks ...
Страница 619: ...Repair information 4 125 7558 xxx Go Back Previous Next 4 Detach the media feed lift motor ...
Страница 704: ...4 210 Service Manual 7558 xxx Go Back Previous Next 8 Remove the LED ...
Страница 730: ...4 236 Service Manual 7558 xxx Go Back Previous Next 14 Remove the flatbed scanner assembly ...
Страница 734: ...4 240 Service Manual 7558 xxx Go Back Previous Next 5 Disconnect the cable B 6 Remove the tension spring C ...
Страница 801: ...Repair information 4 307 7558 xxx Go Back Previous Next 5 Disconnect the cable B 6 Remove the bridge drive motor ...
Страница 953: ...Repair information 4 459 7558 xxx Go Back Previous Next 7 Remove sensor tray 5 pre feed C A C B Connector ...
Страница 1004: ...5 34 Service Manual 7558 xxx Go Back Previous Next P J675 2 P J676 3 P904 15 Plug Jack Callout Plug jack description Connects to ...
Страница 1038: ...6 12 Service Manual 7558 xxx Go Back Previous Next ...
Страница 1076: ...7 38 Service Manual 7558 xxx Go Back Previous Next Assembly 37 TTM media feed 2 ...
Страница 1112: ...7 74 Service Manual 7558 xxx Go Back Previous Next Assembly 71 Finisher punch 8 4 3 10 11 ...
Страница 1148: ...7 110 Service Manual 7558 xxx Go Back Previous Next Assembly 103 continued High capacity feed HCF media tray lift 2 1 4 6 7 5 3 ...
Страница 1150: ...7 112 Service Manual 7558 xxx Go Back Previous Next Assembly 104 High capacity feed HCF media feed unit 1 4 3 5 6 7 2 1 ...
Страница 1152: ...7 114 Service Manual 7558 xxx Go Back Previous Next Assembly 105 High capacity feed HCF media feed unit 2 1 2 3 4 7 6 5 ...
Страница 1158: ...7 120 Service Manual 7558 xxx Go Back Previous Next ...
Страница 1168: ...I 10 Service Manual 7558 xxx Go Back Previous Next ...