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Image Quality
When you are working with customers, obtain a print sample before you
begin troubleshooting their printer. Ask the customer to explain the quality
they expect from the printer. The print sample will also help clarify the
customer’s explanation.
Problem Action
1. Do you have a print
sample?
Obtain a print sample from the customer.
2. Does the problem repeat
on the page?
Use the Repetitive Defect Ruler in the "Reference Section."
3. Is the toner cartridge full
and is it manufactured by HP.
Check the toner cartridge using the check list on next page.
4. Is the printer clean? Perform the cleaning procedure described in Chapter 4 of this
manual.
5. Is the customer using
print media that meets all
HP paper specification
standards?
For more information about HP’s paper specification standards, see
Chapter 1 of this manual and the
HP LaserJet Family Paper
Specification Guide.
6. Is the print sample similar
to those in the Print Quality
Tables in the “Reference.”
section?
Compare and perform the actions recommended in the Print
Quality Tables.
7. Is the problem on the
drum or transfer roller?
Perform the "Half Self Test" in the "Reference Section" to determine
where the defect is.
If the defect is on the drum, replace the Toner cartridge.
If it is not on the drum, replace the transfer roller.
Table 7-4 Image Quality
7
Troubleshooting
Troubleshooting 7-15