High Frequency Bands - Lexmark X95x series Service Manual

High frequency bands

Step
Check the four PC cartridges for proper installation.
1
Check the PC cartridge connections.
Are the PC cartridge connections free of excess
wear and contamination?
Replace the four developer housings and four developer
2
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
4-67, and
page "Developer carrier removal and
replacement" on page
Does the problem remain?
Replace the printhead. Go to
3
removal" on page
Does the problem remain?
Check the upper printer engine PCBA for proper
4
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to
"Upper printer engine PCBA removal" on
page 4-186.
Perform a print test.
Does the problem continue?
Check
4-46.
"LED printhead
4-102.
Yes No
Go to step 2. Correct and
clean
contaminated
pins, or replace
the appropriate
PC cartridge or
connector.
Go to step 3. Problem
resolved
Go to step 4. Problem
resolved
Replace the RIP Problem
card PCBA. resolved
Go to
"RIP
PCBA removal"
on page 4-150.
Diagnostic information
7558-xxx
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