Lexmark X95 series - High Frequency Bands

Diagnostic information 2-287
7558-xxx
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High frequency bands
Step Check Yes No
1 Check the four PC cartridges for proper installation.
Check the PC cartridge connections.
Are the PC cartridge connections free of excess
wear and contamination?
Go to step 2. Correct and
clean
contaminated
pins, or replace
the appropriate
PC cartridge or
connector.
2
Replace the four developer housings and four
developer carriers. Go to “Developer housing (C)
removal” on page 4-49, “Developer housing (K)
removal” on page 4-55, “Developer housing (M)
removal” on page 4-61, “Developer housing (Y)
removal” on page 4-67, and “Developer carrier
removal and replacement” on page 4-46.
Does the problem remain?
Go to step 3. Problem
resolved
3
Replace the printhead. Go to “LED printhead
removal” on page 4-102.
Does the problem remain?
Go to step 4. Problem
resolved
4
Check the upper printer engine PCBA for proper
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to “Upper printer engine PCBA removal” on
page 4-187.
Perform a print test.
Does the problem continue?
Replace the RIP
card PCBA.
Go to “RIP
PCBA removal”
on page 4-150.
Problem
resolved