2-48
Service Manual
7541-03x
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121.05 Fuser - fuser heater error
ON / OFF switch automatically switching to the Off position service check
Note:
If the machine turns off a few seconds after a POR, follow the procedure below. The automatic shut
down of the printer is a safety feature implemented to avoid fire, or damage to the printer. This is a feature
of the device.
126.xx Power switch error
Step
Action and questions
Yes
No
1
Is the fuser installed and seated properly?
Go to step 2.
Properly install
the fuser.
2
Are CN02 and CN04 on the LVPS, and CN16 on the
printhead control board properly connected?
Go to step 3.
Properly connect
all the cables.
3
Check the fuser connectors on the fuser power cable
for damage. Is there any damage?
Replace the fuser
power cable.
Go to step 4.
4
Check the fuser power cable for continuity. Is there
continuity?
Go to step 5
Replace the fuser
power cable
5
Replace the fuser. Does this fix the problem?
Problem solved
Go to step 6.
6
Replace the printhead controller board. Does this fix
the problem?
Problem solved
Go to step 7.
7
Replace the LVPS. See
“Low volt power supply
removal” on page 4-51
. Does this fix the problem?
Problem solved
Replace the fuser
power cable.
Step
Action and questions
Yes
No
1
POR the printer a couple times. Does the printer turn
off a few seconds after the POR?
Note:
When restarting the machine, you should see
the power switch physically move to the off position
when the machine turns off.
Go to step 2.
Problem resolved
2
Replace the fuser, power supply, and printhead
controller board. Does this fix the problem?
Problem
resolved.
Contact your
second level
support
Step
Action and questions
Yes
No
1
Is the power switch cable properly connected to CN27
on the engine controller board?
Properly connect
the connector.
Go to step 2
2
Replace the power switch. Does this fix the problem?
Problem resolved
Go to step 3.
3
Replace the engine controller board. Does this fix the
problem.
Problem resolved
Go to step 4.
4
Replace the power switch cable harness. Does this fix
the problem?
Problem resolved
Contact your
second level
support.
Summary of Contents for X925 7541-03 series
Page 14: ...xiv Service Manual 7541 03x Go Back Previous Next ...
Page 188: ...3 50 Service Manual 7541 03x Go Back Previous Next ...
Page 306: ...4 118 Service Manual 7541 03x Go Back Previous Next 5 Remove the screw C 6 Remove the screw D ...
Page 307: ...Repair information 4 119 7541 03x Go Back Previous Next 7 Remove the screw E ...
Page 404: ...5 4 Service Manual 7541 03x Go Back Previous Next Rip Board connectors ...
Page 410: ...5 10 Service Manual 7541 03x Go Back Previous Next Printhead controller connectors ...
Page 419: ...Locations 5 19 7541 03x Go Back Previous Next Engine board connectors ...
Page 438: ...5 38 Service Manual 7541 03x Go Back Previous Next ...
Page 440: ...6 2 Service Manual 7541 03x Go Back Previous Next ...
Page 442: ...7 2 Service Manual 7541 03x Go Back Previous Next Assembly 1 Covers ...
Page 444: ...7 4 Service Manual 7541 03x Go Back Previous Next Assembly 2 Flatbed and ADF ...
Page 446: ...7 6 Service Manual 7541 03x Go Back Previous Next Assembly 3 Flatbed ...
Page 448: ...7 8 Service Manual 7541 03x Go Back Previous Next Assembly 4 ADF 1 ...
Page 450: ...7 10 Service Manual 7541 03x Go Back Previous Next Assembly 5 ADF 2 ...
Page 452: ...7 12 Service Manual 7541 03x Go Back Previous Next Assembly 6 Duplex components 1 ...
Page 454: ...7 14 Service Manual 7541 03x Go Back Previous Next Assembly 7 Duplex components 2 ...
Page 456: ...7 16 Service Manual 7541 03x Go Back Previous Next Assembly 8 Paper exit ...
Page 458: ...7 18 Service Manual 7541 03x Go Back Previous Next Assembly 9 Base 1 ...
Page 460: ...7 20 Service Manual 7541 03x Go Back Previous Next Assembly 10 Base 2 ...
Page 462: ...7 22 Service Manual 7541 03x Go Back Previous Next Assembly 11 Base 3 ...
Page 466: ...7 26 Service Manual 7541 03x Go Back Previous Next Assembly 13 Electrical 1 ...
Page 468: ...7 28 Service Manual 7541 03x Go Back Previous Next Assembly 14 Electrical 2 ...
Page 470: ...7 30 Service Manual 7541 03x Go Back Previous Next Assembly 15 Upper assembly ...
Page 474: ...7 34 Service Manual 7541 03x Go Back Previous Next Assembly 17 Paper trays ...
Page 476: ...7 36 Service Manual 7541 03x Go Back Previous Next Assembly 18 Fuser ...
Page 478: ...7 38 Service Manual 7541 03x Go Back Previous Next Assembly 19 550 sheet option feeder covers ...
Page 480: ...7 40 Service Manual 7541 03x Go Back Previous Next Assembly 20 550 sheet option feeder base ...
Page 484: ...7 44 Service Manual 7541 03x Go Back Previous Next Assembly 22 550 sheet option feeder tray ...
Page 500: ...I 14 Service Manual 7541 03x ...