Diagnostic aids 3-1
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3. Diagnostic aids
This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the
problem.
Diagnostic procedures
Printhead diagnostics
If you get a printhead error, follow this diagnostic to find the specific failure.
1. Remove the top cover. See “Top cover assembly removal” on page 4-13.
2. Remove the outer system board shield. See “Outer system board shield removal” on page 4-69.
3. Verify that all the connectors are properly seated. Check the printhead cable connectors on the printheads
as well as the printhead cable connectors and mirror motor cable connectors on the system board.
If the printhead and mirror motor cables are properly seated and the error remains, record the error code.
Continue to the next step.
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