Xerox Phaser 8400 Service Manual page 392

Print Test Print 1 (Weak/Missing Jets). CAREFULLY examine it.
Step
1 Does Test Print 1 show at least one color with 8 or more
weak/missing jets?
Run 10 solid fills in the suspected color from the front panel. Does
Step
the number of weak and missing jets noticeable increase with solid
2
fills.
Step Does the printhead reservoir of the affected color have a large
visible pool of ink obscuring the surface of the filter element?
3
Ink not visible. Filter viewable.
Ink passing easily thru filter.
Generic Ink Failure.
A
Inform the customer that service will only be
provided with a credit card or purchase
order. The Xerox warranty/Service
Agreement DOES NOT cover repair cost of
the printhead when it has been damaged by
non-Xerox ink and the repair cost is the
responsibility of the customer.
Provide the customer with the "Diagnosis Form"
and "Onsite Failure notification" letters.
Once payment has been authorized or assured,
replace the printhead and included ink per
normal procedures.
Check the "Non-Xerox/Tektronix" Ink box on
the Green tag.
Enclose all sample prints ( including two prints
of Service Print 1 ), ink samples, waste ink, and
this checklist with the printhead.
Xerox Personnel – Please provide full documentation
in FIST.
IN EITHER CASE PLEASE NOTE ADDITIONAL GENERIC INK INFORMATION
Was generic ink or related packaging observed?
Was generic ink present in the ink loader?
IMPORTANT – Note the brand and lot code of the generic ink, if available
Xerox
A-12
GENERIC INK FAILURE CHECKLIST
PERFORM THIS CHECKLIST ONLY IF YOU SUSPECT
NON-XEROX INK IS BEING USED.
Visible pool of ink obscuring filter.
Ink not readily passing thru filter.
Phaser 8400/WorkCentre C2424 Printhead Checklist
If YES
Go to Step 3
If YES
Go to Step 3
If YES
Go to
Does not fully meet field criteria.
B
Suspected generic ink failure.
Inform the customer that although the Field
Generic Ink Failure Test Criteria was not
satisfied, engineering will further evaluate
the printhead upon its return to the factory.
It will be subjected to complete analysis at
that time and, if found to be damaged by
generic ink, the customer will be billed.
Provide the customer with the "Customer Alert
#8 March 2005" letter.
If there are weak or missing jets replace the
printhead and included ink per normal
procedures.
Check "Non-Xerox/Tektronix" Ink box on the
Green tag.
Enclose all sample prints ( including two prints
of Service Print 1 ), ink samples, waste ink,
and this checklist with the printhead.
Xerox Personnel – Please provide full
documentation in FIST.
YES NO
YES NO
075-0882-02
Phaser 8400/8500/8550 Color Printer
If NO
Go to Step 2
If NO
Go to B
If NO
B Go to A
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