HP DesignJet 800ps A0 User Manual

Solving Problems


Image Quality 
ProblemsInk Supply 
ProblemsMedia Problems Image Error Other Problems Getting HelpMedia & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Finding the Source of Your Problem1. Look at the front-panel display for messages. See Message Descriptions
 for a full explanation of front-panel 
messages.
2. Test the printer.
– 
Switch the printer off on the front of the printer. Make sure that the power cord is firmly inser ted in the printer and 
plugged in to...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Image Quality ProblemsYour 
HP DesignJet 800PS printer 
provides a full troubleshooting utility to ensure you can always quickly overcome 
any image problems you encounter. You should use this utility whenever you (and not the printer) perceive a problem 
with print quality. 
Often what you believe to be a print...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Configuration CorrectionBefore attempting the image quality diagnostic procedures contained in this section it is impor tant to first check 
that the printer is correctly configured to print what you want. Many problems concerned with image quality can be 
solved by correcting the way the printer is configured.1. To...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Troubleshooting ProcedureWorking through the Troubleshooting procedure should always be your first action when you encounter image quality 
problems. Refer to the Troubleshooting Flow Char t
 for a description of the sequence of processes used to complete 
troubleshooting procedure.
It is impor tant that the paper...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Diagnostic Print A InterpretationDiagnostic Print A contains several blocks of color and a block of thin black broken 
lines (the lines are actually very much closer than those represented here).
1. Examine the broken lines in Diagnostic Print A carefully and indicate whether 
there are problems with them.
The sor...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Diagnostic Print B Interpretation1. For each color in the pattern in Diagnostic Print B, you are asked about the 
quality—look for missing lines. If you answer that a color is defective, the 
printer tries to clean that printhead.
If the printhead cleaning process completes, Diagnostic Print B is printed 
again and...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Troubleshooting Flow ChartThe following diagram shows the flow of the troubleshooting procedure.
Printer checks 
whether Printhead 
Alignment is required
Printer recommends 
Printhead Alignment
 
(Standard or Special)
Pr inter prints 
Diagnostic Print A 
including black lines
Printer asks questions 
about Diagnostic...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Advance CalibrationIt is impor tant that the paper loaded for this calibration is exactly that used for normal printing, both in quality (for 
example, glossy paper) and in width (for example, A0 or 36-inch). Either roll or sheet paper can be used.
The routine prints a pattern and then cuts the roll (the cutter must...

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Advance Calibration ValuesThe printer stores the advance calibration values of the last two different 
types of media used for the calibration. When you print the printer ties to 
match the media you have selected to the stored values. If there is a 
match the printer applies the stored Advance calibration values....

Solving ProblemsImage Quality 
Problems


Ink Supply 
ProblemsMedia Problems Image Error Other Problems Getting Help
Media & Ink Introduction Front Panel OtherPrinter 
OptionsIndex  Solutions
Stepped LinesWhen you look at the image you have printed there are ‘stepped lines’ in the borders of arrows and diagonal 
lines. The lines should be straight with no stepping.
The following is an example of what you might see if you have problems with Stepped Lines.
To solve this problem:1. Increase the dpi setting...