Diagnostic information 2-207
7500-432, -632, and -832
6 Check the printhead installation.
Is the printhead assembly installed properly with four
screws?
Go to step 8. Go to step 7.
7 Check the printhead assembly installation.
Install the printhead assembly properly, and perform a
print test.
Does the error continue?
Go to step 8. Problem solved.
8 Check the printhead for proper connection.
Warning: If too much force is applied to the board when
checking it, the printhead could become misaligned.
Go to step 9. Replace the
connection.
9 Check the image development process.
Perform a print test. Turn off the printer power while
printing.
Carefully remove the PC cartridge. Check the toner
image formed on the drum before the transfer roll
assembly.
Is the image completely formed on the drum, and the
area clear, black, and easy to read?
Go to step 10. Go to step 11.
10 Check the image transfer process.
Check the toner image formed on the drum, after the
transfer roll assembly.
Is the toner image completely transferred on the media?
Go to step 12. Go to step 11.
11 Check the HVPS card assembly.
Replace the HVPS card assembly.
Perform a print test.
Does the error continue?
Go to step 12. Problem solved.
12 Check the printer engine card assembly.
Replace the printer engine card assembly.
Perform a print test.
Does the error continue?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-130.
Problem solved.
Step Check Yes No
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