Diagnostic information
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175.07 Fuser driver PCBA cooling fan failure
175.08 Upper exhaust cooling fan failure
191.01 Lower engine PCBA detect failure
Step
Action and questions
Yes
No
1
Check the fuser driver PCBA
cooling fan.
Is the above component
properly connected?
Go to step 2.
Replace the connections.
2
Replace the fuser driver PCBA
cooling fan.
Does the error continue?
Go to step 3.
Problem resolved
3
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
Check the upper exhaust fan.
Is the above component
properly connected?
Go to step 2.
Replace the connections.
2
Replace the upper exhaust fan.
Go to
“Upper exhaust cooling
fan removal” on page 4-187
.
Does the error continue?
Go to step 3.
Problem resolved
3
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
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 remain?
Go to step 2.
Problem resolved
2
Check the lower engine PCBA.
Is the above component
properly connected?
Replace the lower engine PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
Go to step 2.
Replace the connections.
3
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to
“Upper printer engine
PCBA removal” on page 4-189
.
Problem resolved
Summary of Contents for X95 series
Page 26: ...xxvi Service Manual 7558 xxx Go Back Previous Next ...
Page 34: ...xxxiv Service Manual 7558 xxx Go Back Previous Next ...
Page 52: ...1 18 Service Manual 7558 xxx Go Back Previous Next ...
Page 464: ...3 112 Service Manual 7558 xxx Go Back Previous Next TTM theory of operations ...
Page 471: ...Diagnostic aids 3 119 7558 xxx Go Back Previous Next 3TM theory of operations ...
Page 477: ...Diagnostic aids 3 125 7558 xxx Go Back Previous Next 1TM theory of operations ...
Page 494: ...3 142 Service Manual 7558 xxx Go Back Previous Next ...
Page 506: ...4 12 Service Manual 7558 xxx Go Back Previous Next 6 Remove the operator panel top cover ...
Page 512: ...4 18 Service Manual 7558 xxx Go Back Previous Next 5 Remove the rear lower cover ...
Page 619: ...Repair information 4 125 7558 xxx Go Back Previous Next 4 Detach the media feed lift motor ...
Page 704: ...4 210 Service Manual 7558 xxx Go Back Previous Next 8 Remove the LED ...
Page 730: ...4 236 Service Manual 7558 xxx Go Back Previous Next 14 Remove the flatbed scanner assembly ...
Page 1038: ...6 12 Service Manual 7558 xxx Go Back Previous Next ...
Page 1076: ...7 38 Service Manual 7558 xxx Go Back Previous Next Assembly 37 TTM media feed 2 ...
Page 1112: ...7 74 Service Manual 7558 xxx Go Back Previous Next Assembly 71 Finisher punch 8 4 3 10 11 ...
Page 1158: ...7 120 Service Manual 7558 xxx Go Back Previous Next ...
Page 1168: ...I 10 Service Manual 7558 xxx Go Back Previous Next ...