Diagnostic information
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940.02 Clock signal communication error
940.03 Controller communication failure
4
Perform a print test.
Does the error still occur?
Replace the lower engine PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
If the error remains, then go to
step 5.
Problem solved.
5
Perform a print test.
Does the error still occur?
Replace the upper engine PCBA.
Go to
“Upper printer engine
PCBA removal” on page 4-189
.
Problem solved.
Step
Action and questions
Yes
No
1
Check the upper printer engine
PCBA connections.
Are the above connections
properly connected and not
damaged?
Go to step 2.
Connect the components
properly and replace damaged
connections.
2
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to
“Upper printer engine
PCBA removal” on page 4-189
.
Go to step 3.
Problem resolved
3
POR the machine.
Does the error continue?
Replace the lower printer engine
PCBA.
Go to
“Lower engine PCBA
removal” on page 4-106
.
Problem resolved
Step
Action and questions
Yes
No
1
Check the bridge controller PCBA
connections.
Are the above connections
properly connected and not
damaged?
Go to step 2.
Connect the components
properly and replace damaged
connections.
2
Replace the bridge PCBA. Go to
“Bridge PCBA removal” on
page 4-31
.
Does the error remain?
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
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 ...