2-62 Service Manual
7541-03x
941.01 SDRAM R/W error
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.
26
Are there any more ISP options to install? Go to step 27 Problem
resolved.
27
Install the next ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 29. Go to step 28.
28
Run a job to test the option.
Does the 900.xx error reoccur?
Go to step 29. Go to step 26.
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?
Go to step 30. Go to step 26.
30
Replace the faulty ISP option. Restart the device.
Does the 900.xx error reoccur?
Go to step 31. Go to step 26.
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
Step Action and questions Yes No
1 Check all the cables connected to the printhead
controller board. Are they properly connected?
Go to step 3 Go to step 2.
2
Connect the cables, Did this fix the problem? Problem resolved Go to step 3.
3
Replace the printhead controller board. Did this fix the
issue?
Problem resolved Contact your
second level
support.
Step Action and questions Yes No
1 Are the cables connecting CN24 on the engine board,
CN5 on the printhead controller, and CN03 in the
LVPS properly connected?
Go to step 3. Go to step 2.
Step Action and questions Yes No
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