HP DesignJet 4000 Service Manual
Transcript of HP DesignJet 4000 Service Manual
7/27/2019 HP DesignJet 4000 Service Manual
http://slidepdf.com/reader/full/hp-designjet-4000-service-manual 1/356
7/27/2019 HP DesignJet 4000 Service Manual
http://slidepdf.com/reader/full/hp-designjet-4000-service-manual 2/356
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7/27/2019 HP DesignJet 4000 Service Manual
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7/27/2019 HP DesignJet 4000 Service Manual
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7/27/2019 HP DesignJet 4000 Service Manual
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Introduction 1-2
Troubleshooting System Error Codes 1-2
Performing a Service Test on a Failed Assembly 1-2Performing the Necessary Service Calibrations 1-3
Solving Print Quality Problems 1-3
The Printer does not Power ON 1-3
The Printer Continuously Rejects Printheads 1-3
Cover Sensors are not Working 1-3
The Line Sensor has Problems Detecting Media 1-4
Troubleshooting Shutdowns 1-5
Vacuum suction much lower at high altitudes 1-6
Banding at variable extreme environmental conditions 1-6
Printhead Crashes/Smears on High Density Prints Using Coated Media 1-6
Banding due to Ink Cartridge replacement while printing 1-7
34" Rice Paper not supported 1-7
Cut Sheet rice paper loading failure 1-7
Worm marks on HP Coated media with light area fills 1-7
Solving Media-Handling Problems 1-8
Using the Buzzer at Power-up to Troubleshoot 1-9
Using the Power-up Sequence to Troubleshoot 1-10
Using the Power Switch LEDs to Troubleshoot 1-13
Using the PCA LEDs to Troubleshoot 1-14
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Priming the Ink System 3-5
When Should You Replace the Ink Supplies? 3-5
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Obtaining Printhead Information 3-7
Ink Cartridge Status Messages 3-9
Ink Cartridge Status While Printing 3-9
Ink Cartridge Status While Replacing 3-9
Printhead Status Messages While Printing 3-10
Printhead Status Messages While Replacing 3-10
Printhead Cleaner Status Messages While Printing 3-11
Printhead Cleaner Status Messages While Replacing 3-11Summary of Solving Ink Supplies Problems 3-12
Troubleshooting Printhead Error Codes 3-13
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Introduction 4-2
Diagnostics - Self Test 4-2
Service Tests (Diagnostics) 4-3
Entering the Service Tests Menu 4-5
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2. Media Drive Test 4-12
3. Electronics Module Test 4-17
4. Carriage Assembly Test 4-27
5. Sensors Test 4-28
6. Ink Delivery System Test 4-32
7. SVS/Aerosol Fan Test 4-33
8. Air Pump System Test 4-34
9. Vacuum Fans Test 4-35
10.1 Others >>> Bag Broken Recovery 4-36
10.2 Others >>> IO Information 4-39
10.3 Others >>> Unit Information 4-4111. EEROM Reset 4-43
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I/O Tests 4-48
Service Utilities 4-50
Entering the Service Utilities Menu 4-51
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2. Prime Tubes 4-55
3. Set SN 4-59
4. Reset Life Counters 4-60
5. Diagnostic Print 4-62
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Print Quality 6-2Print Quality Troubleshooting Actions 6-2Choosing the Correct Print Quality Settings 6-3
How to Use the Service Image Quality Diagnostic Print 6-5What is the Service Image Quality Diagnostic Print? 6-5Considerations for Printing the Diagnostic Print 6-5
Printing the Service Image Quality Diagnostic Print 6-6Diagnostic Part 1: Alignment Test 6-7Diagnostic Part 2: Printheads & Paper Advance Test 6-8Diagnostic Part 3: Printhead Problems 6-9
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Diagnostic Part 3: Printhead Problems 6-9Nozzle Print Test 6-11No Printing Defects Found in the Diagnostic Print 6-12Print Quality General Advice 6-12
Troubleshooting Print Quality Problems 6-13Horizontal Lines Across the Image (Banding) 6-13Advanced Banding Troubleshooting for Experts 6-14
Dark Light Zone Banding (DLZB) 6-17Lines are Missing or Thinner than Expected 6-18Solid Bands or Lines Printed Over the Image 6-19Problems with Graininess 6-20Print Smudges when Touched 6-20Paper is not Flat 6-21Defect Near the Top of the Print 6-22Problems with Stepped Lines 6-23Lines are Printed Double or in Wrong Colors 6-23Lines are Blurred (Ink Bleeds from Lines) 6-24
Problems with Color Accuracy 6-24Problems with PANTONE Color Accuracy 6-25Color Matching Between Different HP Designjet Printers 6-26Problems with Image Clipping 6-28Image is Completely Blank 6-29Output Only Contains a Partial Print 6-29Image is in One Portion of the Printing Area 6-30Image is Unexpectedly Rotated (PostScript Driver) 6-30Print is Distorted or Unintelligible 6-31Print is a Mirror Image of the Original 6-31
One Image Overlaps Another on the Same Sheet 6-31No Output from the Printer 6-32Pinchwheel Marks when using Glossy Media 6-32VLS in 1 Pass Printmodes 6-33VLS in First 3 Meters after a Media Load 6-34Bubbles (Only occurs in Cyan, Magenta and Yellow) 6-34Black Printhead: Decap Problem 6-35Paper Expansion - Paper Advance (PEPA) 6-36Bidirectional Offset in Light Color Density Areas 6-37Ink Contamination on Yellow Printhead 6-37Satellites in Black Lines 6-38
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Do you see banding (white lines) all along the
customer plot, not taking into account the color?
WHITE LINES
Are you seeing nozzles out in Part 3 of
Image Quality Diagnostic Print?
yes / no
yes
no
Media Advance actions:
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yes
Do the nozzles out alternate between one yes and one no in Part 3
of the Image Quality Diagnosti c Print? See image 1 on page 6-16
yes / no
yes
no
Bubbles actions:
- Select the correct Print Quality setting
(see the table on page 6-3).
- If the problem persists, perform a
Printhead recovery. (Activating the intensive
checking option in the front panel will
guarantee print quality performance while
continuing to see the problem.)
- If the problem persists, replace the faulty
Printhead.
Are there a significant amount of nozzles
out? See image 2 on page 6-16
yes / no
yes
no
Nozzles out actions:
- Select the correct Print Quality setting
(see the table on page 6-3).- Perform a Printhead recovery.
- If the problem persists , replace the faulty
Printhead
Our printers are able to achive optimal Image Quality performance
even with some nozzles out (see image 3 on page 6-16).
Are you seeing white banding somewhere in Part 2 of the Image
Quality Diagnostic Print and it matches with the color where you
are seeing nozzles out?
yes / no
yes
no
Nozzles out actions:
- Select the correct Print Quality setting (see the table
on page 6-3).
- If the problem persists, perform a Printhead recovery.
yes / no
no
yes
Media Advance actions:
- Select the correct Print Quality setting
(see the table on page 6-3).
- We s trongly recommend using HP media.
- If the problem persists, Heavyweight
Coated paper should be used.
- If the problem persists, perform a Paper
Advance Calibration.Refer to Flowchart BOTH(Dark and White Lines)
3ULQW4XDOLW\
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DARK LINES
Do you see dark lines all along
the customer plot?
yes / no
yes
no
Media Advance actions:
- Select the correct Print Quality setting (see the table on page 6-3).
- We strongly recommend using HP media.
- If the problem persist s, Heavyweight Coated paper s hould be used.
- If the problem persists, perform a Paper Advance Calibration.
Note 1: How long have you had media loaded? There is a specific problemwhen printing with a brand new unit using Heavyweight Coated paper. It is
normal to see dark lines for the first few meters of paper. After printing for a
while, the paper advance should be st abilized and optimal print IQ should be
achieved without any further actions.
Note 2: Were you previously printing using Gloss y paper and now you have
t t d i ti i B d ? Th fi t f t f th l t b i i t d
Refer to Flowchart BOTH
(Dark and W hite Lines)
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started printing using Bond paper? The first few meters of the plot being printed
on Bond paper may have dark lines if the paper previously used was glossy
After a few plots this problem will disappear without any further actions.
Are you seeing dark lines in s ome areas and
white lines in others? Or are you seeing either
dark or white lines but not all along the plot?
BOTH (DARK and
WHITE LINES)
yes / no
yes
noAre you seeing white lines but only
in some areas of the plot (probably
containing the same based c olor?)
yes / no
yes
no
Refer to Flowchart
WHITE LINES
Are you printing a high ink density plot? Or are
you printing a plot that contains both high ink
density areas and low ink density areas?
yes / no
yes
no
Media Expansion actions:
- Select the correct Print Quality setting (see the table on page 6-3).
- We st rongly recommend using HP media.
- If the problem persists, Heavyweight Coated paper should be used.
Are you seeing a frequential banding composed by a darker
zone and a lighter zone? See image 4 on page 6-16.
yes / no
yes
no
This problem mainly occurs after inserting new Printheads (specially
cyan), or when loading Heavyweight Coated paper for the first few
meters.
Dark Light Zone Banding actions:
- Select the c orrect Print Quality setting (see t he table on page 6-3).
- Perform a Printhead Recovery if there is a significant amount of
nozzles out in Part 3 of the Image Quality Diagnostic Print.
- Perform a Printhead Alignment.
- If the problem persists, perform a Paper Advance Calibration.
- If the problem persists, replace the Printhead that is showing
misdirected nozzles.
Do you see
banding? What
type?
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