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HP color laserjet 1600 series Service Manual

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Status log only messages
The following messages are not displayed on the control panel. They are printed on the Status log.
Table 6-12
  Status log only messages
Error log code
Description
54.06
Color density sensor error
54.10
Color plane registration sensor(s) error
54.11
Yellow density out of range
54.12
Magenta density out of range
54.13
Cyan density out of range
54.14
Black density out of range
Service menu
Use the control-panel Service menu to troubleshoot device problems.
Restoring the factory-set defaults
Restoring the factory-set defaults returns all of the settings to the factory defaults.
To restore the factory-set defaults
1.
Use the   (
Left arrow
) or the   (
Right arrow
) button to select Service, and then press 
(
Select
).
2.
Use the   (
Left arrow
) or the   (
Right arrow
) button to select Restore defaults, and then
press   (
Select
).
The device automatically restarts.
General print quality issues
The following examples depict letter-size paper that has passed through the device short edge first.
These examples illustrate problems that would affect all of the pages that you print, whether you print
in color or in black only. The topics that follow list the typical cause and solution for each of these
examples.
Table 6-13
  General print quality issues
Problem
Cause
Solution
Print is light or faded.
The media might not meet
HP specifications.
Use media that meets HP specifications.
One or more print cartridges might be
low. If you are using non-HP print
cartridges, no messages appear on the
device control panel or in the
HP Toolbox.
Replace any low print cartridges.
If none of the print cartridges is low or
empty, remove the print cartridges one
at a time and inspect the toner roller in
ENWW
Troubleshooting tools
139