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If You Have Problems Reseating a Printhead

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Troubleshooting Solving Ink System Problems If You Have Problems Reseating a Printhead Replace printhead nnon C4704034 Check printhead nnon Abort -> C4704034 When printheads are installed, in extreme circumstances it is possible that the printer will not recognize them. This will be visible on the front panel with the message "Replace printhead" or "Check printhead / Abort" where one or more of the squares are flashing. Each square represents a printhead, with the flashing ones representing printheads where the printer has detected a problem. When you reseat or replace a printhead, the flashing filled square changes, for one or two seconds, to an hour-glass. At this point, the printer is testing the printhead. Don't remove or insert another printhead while this test is being done. n If the test is successful, the hour-glass reverts to its normal non-flashing filled state. n If the test fails, the hour-glass will change back to a flashing filled square. To correct this, make the following checks: 1 Remove all four printheads completely from the printer. On the front panel the displayed message will change to show four flashing lights. 2 Look at the electrical contacts on the printhead and carriage. If they are dirty, they should be cleaned (see page 11-42, Cleaning Electrical Contacts on page). 3 Reinstall each printhead, one at a time; if the flashing squares stop flashing, then the printheads have passed the test. DO NOT INSERT THE NEXT PRINTHEAD UNTIL THE PRINTER HAS ACCEPTED THE CURRENT ONE. If the lights continue flashing and the printheads have been inserted correctly, try reseating them a few more times, by removing the printhead from its stall and then replacing it until it snaps correctly into position. NOTE: Do not leave printheads partly inserted in the carriage; they may be making electrical contact and be the cause of the reseating problem, as you try to reseat other printheads. If the printer still refuses to accept your printheads, try replacing the indicated ink system (see 11-38, Checking Ink Systems) or call HP for assistance. 11-41

Section	Page
Finding Information	4
This User’s Guide contains:	4
The Assembly Instructions contain:	4
The Setup Guide contains:	4
The Quick Reference Guide contains:	4
CD-Rom	4
Where to find the most commonly needed information	5
Table of Contents	6
Welcome	13
A Five-Minute Guide To Your Printer	14
Your Printer’s Main Features	14
The Take Up Reel Accessory	15
The HP DesignJet CP Ink Systems	16
Main Features of the HP DesignJet CP Ink System	16
The HP DesignJet CP Ink System is the ink system that you received with your HP DesignJet CP prin...	16
Main Features of the HP DesignJet CP Ink System UV	16
Color Calibration (2500CP)	17
Ink emulation (2500CP)	17
PostScript queueing and nesting (2500CP)	17
Large/Complex PostScript file printing (2500CP)	17
Multiple copies of prints (2500CP)	17
Print Resolution	17
Media	18
User Interface	18
Standby Mode	18
Connections	19
Memory	19
Software Applications and Drivers	20
Front View of Printer	21
Rear View of printer	22
Using the Front Panel	23
The Front Panel	24
Standby Mode	28
Printing the Current Configuration	29
Entering the Menu System	30
Printing the Menus	31
Printing Other Internal Prints	34
PostScript config	34
PostScript fonts	34
HP-GL/2 config	34
Usage report	34
Image quality print	34
Service print	35
HP-GL/2 palette	35
Where to Find Internal Prints	35
Navigating the Menu System	36
Menu Graphics Used in This Manual	37
Navigation Examples	38
Selecting the Full Menu Mode	38
Changing the Color Calibration Setting in the Image Quality Menu	40
Changing the Merge Setting in HP-GL/2 Settings	43
Changing Margins	46
Changing the Drying Time	48
Other Types of Front-Panel Display Information	50
Working with Media	51
Choosing Media	52
Some Important Points about Media Types	53
Supported Media Types	54
Using the Ink System UV Outside	55
Laminating the Media after Printing	55
Applying the Overlaminate to a Finished Print	55
Installing the Final Print	56
Recommendations to Follow When Installing the Final Print	56
If the final print is less than 50 inches long:	57
If the final print is more than 50 inches long:	57
Media Types	58
HP Commercial Names of Media Types	58
Physical Characteristics of Media Types	59
Combinations of Media Type and Print Quality	60
Using Coated Paper and Heavy Coated Paper with Normal Mode	61
Printing on Coated Papers Using Normal Mode	61
Handling Your Media	62
Loading Roll Media	63
Loading Media onto the Take Up Reel accessory	69
Unloading Media from the Take Up Reel accessory	76
Removing a Roll from the Printer	80
Installing a New Roll into the Printer	82
Changing the Core Tube on the Take Up Reel Accessory	85
Loading sheet media	89
Unloading Sheet Media	92
Compensating for Badly Cut Media	93
Adjusting Skew Tolerance	93
Drying time (With a Take Up Reel)	94
None	94
Automatic	95
Manual	95
Drying Time (Without a Take Up Reel)	96
Adjusting Drying Time	96
Working with Ink Systems	97
About the Ink System	98
The HP DesignJet CP Ink Systems	98
Main Features of the HP DesignJet CP Ink System	98
What is an Ink System?	99
How to Identify the HP DesignJet CP Ink System UV Components	100
Identifying the Ink System in the Printer	100
When Does the Ink System Refill the Printheads?	101
Obtaining Optimum Refill Performance using non-HP media.	102
Refilling the Printheads from the Front Panel	104
How big a print can I make without a refill?	104
Monitoring the Ink Level	105
When should I Replace an Ink System?	106
Removing and Replacing Ink Systems	107
Working with multiple Ink Systems	108
Handle Ink Systems with Care	108
Replace the Ink System	109
After replacing the Ink System	119
Removing and Storing Partially Used Ink Systems	120
Handle the Ink Systems with Care	120
Storing the Ink System in the HP DesignJet CP Ink System Storage Container	121
Removing the Ink System from the HP DesignJet CP Ink System Storage Container	125
Controlling the Page Format	127
Page Format	128
Do You Need to Adjust the Page Size in the Front Panel?	130
Non-PostScript files	130
Adjusting the Page Size in the Front Panel	131
PostScript files	131
Non-PostScript files	132
Page Size and Clipped Images	133
Page Size and Nesting (Roll Media Only)	133
Page Size and Accuracy	134
Page Size Using the HP DesignJet CP UV Ink System	136
Selecting the Ink Emulation Mode	137
Adjusting Margins for Roll and Sheet Media	138
Margins and Automatic Cutting	140
Print Margins using the HP DesignJet CP UV Ink System	140
Rotating an Image	141
Rotating an Image from the Front Panel	141
What is Rotated?	142
How Does Rotate Interact with Your Software?	143
For PostScript files	143
For Non-PostScript Files	144
Printing a Mirror Image	145
Changing the Scale of a Printed Image	146
Controlling the Overall appearance of a Print	149
Ways of Controlling the Print’s Appearance	150
Why Change the Appearance of the Print Using the Front Panel?	150
Changing Pen Widths and Colors Using the Internal Palettes	151
To Select a Palette	152
Viewing Current Config. Settings	153
Viewing the Colors Available For a Palette	154
To Change the Palette Settings	155
Changing the Treatment of Overlapping Lines (Merge)	157
Printing Color Images in Monochrome	158
Switching between Color and Monochrome	159
Printing Speeds and Print Quality	160
Print quality settings	162
Using Coated Paper and Heavy Coated Paper with Normal Mode	163
Changing the print quality	164
Managing Your Prints	165
Managing Pages Currently being Printed or Drying	166
Cancelling a Page	166
Cutting a Page before Drying is Complete (Roll Media Only)	167
Pausing while Printing a Series of Pages	168
Managing Pages not yet Printed (the Queue)	169
What is the Queue?	169
With queueing turned ON	169
With queueing turned OFF	170
Starting to Print a File that is Waiting for a Time-out	171
Identifying a Job in the Queue	172
Position in Queue	172
Viewing the Size of a Page in the Queue (Non-PostScript)	172
Prioritizing a Job in the Queue	173
Deleting a Job from the Queue	173
Making Copies of a Job in the Queue	174
Avoiding Media Waste by Nesting Pages	175
What is Nesting?	175
Automatic Rotation	176
When Does the Printer Try to Nest Pages?	177
Which Pages Qualify for Nesting?	177
Which Pages Cannot be Rotated?	177
Turning Nesting On or Off and Choosing the Nesting Method	178
What Happens to Nesting if You Turn Queueing Off?	178
How Long does the Printer Wait for Another File?	179
Getting the Best from Nesting (Nesting and Margins)	180
Right Margin Shift	180
Setting the space in between nested pages (nest spacing)	180
Nesting and the Rotate Feature	181
Reconfiguring Your Printer	183
Viewing the Current Overall Configuration of the Printer	184
PostScript Configuration Print	184
HP-GL/2 Configuration Print	185
Viewing the Current Configuration of the Front-Panel Settings	187
To Change the Front-Panel Settings	187
Recalibrating the Printer for Accuracy	188
When to Recalibrate the Printer	188
To Recalibrate the Printer	188
To Restore the Factory's Calibration	189
Changing the Graphics Language	190
To Change the Graphics Language Setting	190
Graphics Language and Networks	191
Changing the Interface Settings	192
Network	192
Parallel	192
To Change the I/O Time-out Setting	192
Upgrading Your Printer with More Memory	193
Turning on the Take Up Reel	194
Controlling Image Quality	197
Selecting the Ink Emulation Mode	198
Calibrating the Color Output	199
Comparing Color Output between Imaging and UV Ink Systems	199
Performing a Image Quality Test	200
Servicing the Printheads	201
Aligning Printheads	201
Refilling Printheads	201
Checking Printheads	202
Media Test Print	203
How to perform the Media Test Print	204
Changing the Print Quality when Media is Already Loaded	206
Maintaining Your Printer	207
Cleaning the Printer	208
Cleaning the Printer Exterior and Inside the Doors	208
Lens Maintenance	209
Replacing the Lens Cover	210
Normal Printer Use	212
Storing and Moving Your Printer	213
Selecting Transport Mode	213
Removing the Printheads	214
Removing the Printhead Cleaners	215
Removing the Ink Cartridges	217
Switching off and Disconnecting the Printer	219
Troubleshooting	221
A Note About Troubleshooting	222
Where to Find Help in Solving Problems	223
Finding the Source of Your Problem	224
Solving Image-Quality Problems	225
How to Proceed with the Image Quality Print Diagnosis	225
If the Color is Not as Expected	226
Some General Information About the Image Quality Test	227
Identifying the Printhead Components	227
How to Use the Image Quality Print	228
Printing the Image Quality Print	228
Analyzing the Image Quality Test Results	230
Printhead Warm-Up	230
Black, Cyan, Magenta, Yellow, Red, Blue, Green Test	230
Solving the Problems	231
Banding Caused by Printhead Problems	231
Banding Caused by Media Advance Problems	233
Problems Due to Misalignment	235
Nozzle Print Test	236
Nozzles not printing	237
Nozzles misdirected	238
Color Alignment Quality Test	240
Color Variation Pattern Test	241
No Printing Defects Found in the Image Quality Print	242
Solving Color Accuracy problems	243
Configuration	243
Media	243
Color Consistency problems	243
Configuration	244
Media	244
Where to Find Additional Information	246
If There are Slightly Warped Lines	246
If There are Blurred Lines (Ink “Bleeds” from Lines)	246
If there is a horizontal line 2 inches (5.5 cms) from the start of your image.	246
There are Smears and/or Scratching on Your Printed Media.	247
Solving Media-Handling Problems	248
The Front Panel Keeps Indicating that Media Is Misaligned or Incorrectly Positioned	248
Prints Do Not Feed Out Properly From the Printer	248
The Automatic Cutter does not Cut Immediately after a Print has Finished	249
The Automatic Cutter does not Work	249
The Cutter is Jammed	250
A Sheet is Ejected when You Switch On the Printer	250
Solving Ink System Problems	251
Missing Ink System	251
Ink System Error	251
Summary of Ink System Defect Messages	252
If the Replace Ink System Key does not Work	254
If Brand New Printheads have Problems	254
If there is a Failure after Refilling Printheads	254
Printhead Alignment Errors	255
Media Problems	255
Working with Media that cannot be Used for Alignments	255
Poor Printhead Start-Up	256
Other Symptoms or If the Problem is not Fixed Above	256
Printhead Checks	257
Using the Replace Ink System Key	257
Checking Ink Systems	258
Checking the Printheads	258
Checking the Printhead Cleaners	259
Checking the Ink Cartridges	260
If You Have Problems Reseating a Printhead	261
Cleaning Electrical Contacts	262
Clearing a Media Jam	264
Solving Communication Problems	265
If there is a Problem Communicating between Your Computer and the Printer	265
Some symptoms of a communication problem are:	265
Items to start checking are:	265
Solving Problems with Image Position or Content	266
If the Print is Completely Blank	266
If the Output Contains Only a Partial Print	266
If the Image is Clipped	267
If a Long-Axis Print Is Clipped	267
If the Entire Image is in One Quadrant of the Correct Printing Area	268
If the Image Is Unexpectedly Rotated	268
If the Print Is a Mirror Image of Your Graphic	268
If the Print Is Inaccurate	268
If the Print is Distorted or Unintelligible	269
If One Image Overlays Another on the Same Sheet	269
If Pen Settings Seem to have No Effect	269
If the Printer Produces a Black and White Print When You Expected a Color Print	269
If the Printer has Printed a Different Print than the One You were Expecting	270
One possibility is that you have accidentally initiated one of the printer's internal prints:	270
Or you may have initiated one of the following Internal prints which are printed from the Interna...	270
Solving Front-Panel Problems	271
If the Replace Ink System Key Does Not Work	271
If None of the Front-Panel Keys Work	271
If Page Format/Rotate does not Work	271
If a Display Message will not Clear	271
If a “System Error” Message Is Displayed	272
If an “Out Of Memory/Data Was Lost” Message Is Displayed	272
File Size and Memory Usage	272
Take Up Reel problems	273
Take Up Reel Does Not function	273
Media Skewed on Take Up Reel.	273
Solving Miscellaneous Problems	274
If the Printer does not Print	274
If the Printer Seems Too Slow	274
If the Printer Waits Too Long to Print a Nest	275
If the Bail (Black Metal Bar) does not Lower All the Way	275
The Media coming from the Printer is Fed Back into the Printer causing a Media Jam.	275
Getting Help	276
About HP Customer Care	276
What to Do Before You Call	276
Front-Panel Messages	279
Message Explanations and Actions	280
STATUS Messages	295
Reference	301
Printer Specifications	302
Interface Specifications	310
Interface Cables	311
Regulatory Notices	312
To Obtain a Material Safety Data Sheet (MSDS)	312
Sound	312
Electro-Magnetic Compatibility (EMC)	312
Product identification numbers:	312
Shielded cables	312
VCCI Class A and class B (Japan)	315
Telecommunications Statement	315
Declaration of Conformity	316
Declaration of Conformity	317
Ordering Accessories	318
HP-GL/2 and HP RTL Programming Information	320
How to Order Supplies and Accessories	320
www.designjet-online.hp.com	321
Glossary	323
Index	327
3M™ MCS™ Warranty for Graphics Produced on HP DesignJet CP Printers	337
For support details, see the section “Getting Help” in chapter 11.	339
Hewlett-Packard Limited Warranty Statement	339
A. Extent of Limited Warranty	339
B. Limitations of Warranty	339
C. Limitations of Liability	339
D. Local Law	339

Match case Limit results 1 per page

Troubleshooting

Solving Ink System Problems

11-41

If You Have Problems Reseating a Printhead

When printheads are installed, in extreme circumstances it is possible that

the printer will not recognize them. This will be visible on the front panel

with the message “Replace printhead” or “Check printhead / Abort” where

one or more of the squares are flashing. Each square represents a printhead,

with the flashing ones representing printheads where the printer has

detected a problem.

When you reseat or replace a printhead, the flashing filled square changes,

for one or two seconds, to an hour-glass. At this point, the printer is testing

the printhead. Don’t remove or insert another printhead while this test is

being done.

If the test is successful, the hour-glass reverts to its normal non-flashing

filled state.

If the test fails, the hour-glass will change back to a flashing filled

square. To correct this, make the following checks:

Remove all four printheads completely from the printer. On the front panel the

displayed message will change to show four flashing lights.

Look at the electrical contacts on the printhead and carriage. If they are dirty, they

should be cleaned (see page 11-42,

Cleaning Electrical Contacts

on page).

Reinstall each printhead, one at a time; if the flashing squares stop flashing, then the

printheads have passed the test. DO NOT INSERT THE NEXT PRINTHEAD

UNTIL THE PRINTER HAS ACCEPTED THE CURRENT ONE.

If the lights continue flashing and the printheads have been inserted correctly, try

reseating them a few more times, by removing the printhead from its stall and then

replacing it until it snaps correctly into position.

NOTE:

Do not leave printheads partly inserted in the carriage; they may be making

electrical contact and be the cause of the reseating problem, as you try to reseat

other printheads.

If the printer still refuses to accept your printheads, try replacing the indicated ink

system (see 11-38,

Checking Ink Systems

) or call HP for assistance.

C4704034

Replace printhead

C4704034

Check printhead

Abort ->