2-68
Service Manual
7541-03x
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950.00–950.29—EPROM mismatch failure
Warning:
When replacing any of the following components, replace only one component at a time or the
printer will be rendered inoperable:
•
System board
•
Flatbed scanner assembly
•
Scanner interface card
Replace the required component, bring the printer up in Diagnostics mode (see
“Diagnostics mode” on
page 3-18
), and verify that the problem is fixed before performing a POR.
This error code indicates a mismatch between the operator panel assembly and the system board.
Step
Questions / actions
Yes
No
1
Has the OP panel UICC card been replaced
recently?
Replace the operator panel
assembly with a new, and
not previously installed,
UICC card. See
“UICC
removal” on page 4-120
.
Go to step 2.
2
Has the system board been replaced
recently?
Replace the RIP board with
a new, and not previously
installed, system board.
See
“RIP board removal”
on page 4-73
.
Go to step 3.
3
Turn the printer power off for ten or more
seconds. Then turn the printer back on (POR
the printer).
Is the error gone, and can the printer
print?
Problem solved.
Go to step 4.
4
Clear the NVRAM of the printer:
1. Turn the printer power off.
2. With the printer off, press and hold
6
,
7
and
8
on the keypad.
3. Turn the printer on.
4. When
Restoring Factory Defaults
appears, release the buttons.
Note:
If the printer locks up on the
Restoring Factory Defaults, wait two
minutes, and then turn the printer power
off. After ten seconds or more, turn the
printer power back on without holding
down any buttons.
Does the error message still appear?
Go to step 5.
Problem solved.
5
Replace the OP panel UICC card. See
“UICC
removal” on page 4-120
.
Does the error message still appear?
Replace the RIP board.
See
“RIP board removal”
on page 4-73
.
Problem solved.
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 ...