Sdram R/W Error; Mdc Error - Lexmark X925 Service Manual

7541-03x
Step Action and questions
26 Are there any more ISP options to install?
27 Install the next ISP option. Restart the device.
Does the 900.xx error reoccur?
28 Run a job to test the option.
Does the 900.xx error reoccur?
29 Upgrade the firmware. Contact your next level of
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
30 Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
31 Contact your next level of support. You will need the following information for them:
• Exact 900.xx error digits and complete error message
• Printed menu settings page
• Printed network settings page
• Device error log
• A sample print file if error appears to be isolated to a single file
• File/Application used if error is related to specific print file
• Device Operating System
• Driver used (PCL/PS)
• Frequency of the occurrence of the error

941.01 SDRAM R/W error

Step Action and questions
1 Check all the cables connected to the printhead
controller board. Are they properly connected?
2 Connect the cables, Did this fix the problem?
3
Replace the printhead controller board. Did this fix the
issue?

941.02 MDC error

Remove power from the printer before continuing or use caution if the product must be energized
during this procedure. The heat sink transformer core presents risk of electric shock. Test before
touching.
Step Action and questions
1 Are the cables connecting CN24 on the engine board,
CN5 on the printhead controller, and CN03 in the
LVPS properly connected?
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Service Manual
Yes No
Go to step 27 Problem
resolved.
Go to step 29. Go to step 28.
Go to step 29. Go to step 26.
Go to step 30. Go to step 26.
Go to step 31. Go to step 26.
Yes No
Go to step 3 Go to step 2.
Problem resolved Go to step 3.
Problem resolved Contact your
second level
support.
Yes No
Go to step 3. Go to step 2.