HP Color LaserJet 1600 User Manual

Replacing and recycling supplies
To install a new HP print cartridge, follow the instructions that are included on the box that contains the
new supply, or see the Getting Started Guide.
To recycle supplies, place the used supply in the box in which the new supply arrived. Use the enclosed
return label to send the used supply to HP for recycling. For complete information, see the recycling
guide that is included with each new HP supply item. See 
HP LaserJet printing supplies  for more
information about...

Cartridge out override
What is it?
The HP Color LaserJet 1600 printer displays an Order supplies message when a cartridge is running
low and a  Replace supplies  message when a cartridge has been depleted.  To ensure optimal print
quality, HP recommends replacing a cartridge when the  Replace supplies  message is
displayed.  Replacing the cartridge at this point can help prevent waste of media or other cartridges
when one cartridge produces poor print quality.
The Cartridge Out Override feature allows...

Cleaning the printer
During the printing process, paper, toner and dust particles can accumulate inside the printer. Over time,
this buildup can cause print-quality problems such as toner specks or smearing. This printer has a
cleaning mode that can correct and prevent these types of problems.
To clean the fuser using HP Toolbox
NOTEUse the following procedure to clean the fuser using the HP  Toolbox. To clean the engine
when the computer is running an operating system that does not support HP Toolbox,...

Calibrating the printer
The printer automatically calibrates at various times. You can adjust the calibration settings by using
the HP Toolbox.
Environmental differences or aging print cartridges might cause fluctuations in image density. The printer
accounts for this with image stabilization control. The printer automatically calibrates at various times
to maintain the highest level of print quality. You can also request a calibration by using the HP  Toolbox.
The printer does not interrupt a print job...

8 Problem solving
This troubleshooting information is organized to help you resolve printing problems. Choose the general
topic or type of problem from the following list.
●
Support strategy
●
Troubleshooting process
●
Control panel messages
●
Clearing jams
●
Print problems
●
Troubleshooting tools
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Support strategy

depending on your country/region. Please refer to the support flyer that came in your box for contact
information, or visit 
http://www.hp.com.
You can find additional support information in 
Service and support .
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This device has a 12-month limited warranty. Warranty service and support options might vary
 

Troubleshooting process
Use the troubleshooting checklist to solve issues with the device.
Troubleshooting checklist
Follow the steps below when trying to solve a problem with the device.
Step
numberVerification stepPossible problemsSolutions
1Is the power on?
When the device is
connected to a grounded
power source, the control
panel shows Hewlett-
Packard  with both the
Ready and Attention lights
blinking. The control panel
will then display
Initializing  and then
Ready , at which time only
the green...

Step
numberVerification stepPossible problemsSolutions
There is a port driver problem in
Microsoft Windows.Uninstall and then reinstall the device
software. Verify that you are using the
correct installation procedure and the
correct port setting.
If the error persists, contact
HP Customer Care. See HP CustomerCare or the support flyer that came in the
device box.
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Control panel messages
The majority of the control-panel messages are intended to guide the user through typical operation.
The control-panel messages indicate the status of the current operation, and include a page count on
the second line of the display, if appropriate. When the device is print data, control-panel messages
indicate this status. In addition, alert messages, warning messages, and critical error messages indicate
situations that might require some action.
Alert and warning messages
Alert...

Control panel messageDescriptionRecommended action
If the error persists, contact HP Customer
Care. See HP Customer Care or the support
flyer that came in the device box.
Replace supplies
Override in useA supply is low and using Override may result
in unsatisfactory print quality.Replace the supply that is low.
Settings clearedThe device has cleared job settings.Re-enter any appropriate job settings.
Unauthorized yellow
Unauthorized magenta
Unauthorized cyan
Unauthorized black A new supply has been...