Diagnostic information
2-91
7558-
xxx
Go Back
Previous
Next
191.19 Upper engine PCBA access failure
191.20 Upper engine PCBA buffer failure
191.23 Lower engine PCBA fuse 14 blown
Step
Action and questions
Yes
No
1
POR The machine.
Does the error continue?
Go to step 2
Problem resolved
2
Turn the power OFF and check
whether there is poor connection
between the EEPROM and the
upper engine PCBA.
Are there no problems with the
connection?
Turn the power OFF, and replace
the upper printer engine
assembly. Go to
“Upper printer
engine PCBA removal” on
page 4-189
.
Problem resolved
Step
Action and questions
Yes
No
1
POR The machine.
Does the error continue?
Go to step 2
Problem resolved
2
Turn the power OFF, and check
whether there is poor connection
between the EEPROM and the
upper engine PCBA.
Are there no problems with the
connection?
Turn the power OFF, and replace
the upper printer engine
assembly. Go to
“Upper printer
engine PCBA removal” on
page 4-189
.
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:
• Upper redrive assembly
• Lower redrive shift motor
assembly
Are the current and voltage
values normal?
Go to step 2
Replace the faulty parts, or repair
the circuits.
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
Страница 26: ...xxvi Service Manual 7558 xxx Go Back Previous Next ...
Страница 34: ...xxxiv Service Manual 7558 xxx Go Back Previous Next ...
Страница 52: ...1 18 Service Manual 7558 xxx Go Back Previous Next ...
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 ...