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HP Latex 260 Maintenance and troubleshooting guide - Page 93

Summary of common printing problems

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A Summary of common printing problems This is a table of common problems and the RIP parameters that can be changed in order to solve the problem. Some possible side-effects are also shown. For a more detailed treatment of any particular problem, please see the relevant chapter in this guide. Problem Parameter Durability problems, ink smudges or Curing temperature oily finish Number of passes Substrate jam, substrate damage, ink smears Curing temperature Vacuum (and disable cutter) Top and/or bottom margins Drying temperature Horizontal or thin vertical banding in saturated area fills Drying temperature Ink limits Graininess, color misregistration or lack of sharpness Black areas look hazy or image gloss is not uniform Number of passes Modify color separations and dark color generation Align printheads Calibrate substrate advance Modify color separations and dark color generation Drying temperature Number of passes Curing temperature Change Increase Increase Decrease Possible side-effects Substrate jam, substrate damage, ink smears Slower printing Less durability (smudges), oily finish Increase Substrate skew Increase Substrate waste Decrease Coalescence, banding, less durability (smudges), oily finish Increase Substrate jam, substrate damage, ink smears Decrease Reduced color gamut (depends on RIP) Increase Slower printing Increase Increase Decrease Substrate jam, substrate damage, ink smears Slower printing Less durability (smudges), oily finish ENWW 87

Section	Page
Safety precautions	7
General safety guidelines	7
Electrical shock hazard	7
Heat hazard	8
Fire hazard	8
Mechanical hazard	8
Heavy substrate hazard	9
Ink handling	9
Warnings and cautions	9
Warning labels	9
Printer status	11
Check printer status	11
Check the status of the ink system	11
Check the status of the ink cartridges	12
Ink menu procedure	12
Check the status of a printhead	12
Check the file system	13
Printer alerts	13
Firmware update	15
Hardware maintenance	17
Ink system tips	17
Align the printheads	17
Automatic alignment	17
Manual alignment	18
Check substrate porosity	18
Clean the electrical connections on a printhead	19
Clean the exterior of the printer	22
Clean the platen	23
Clean after porous substrates	24
Clean (recover) the printheads	25
Clean the substrate-advance sensor window	25
Clean and lubricate the carriage rail	26
Maintain the ink cartridges	28
Move or store the printer	28
Replace an ink cartridge	29
Refilled and non-HP ink cartridges	32
Replace the ink maintenance kit	33
Replace a printhead	36
Replace the printhead cleaning kit	41
Service maintenance	45
Substrate settings	47
Download media presets	47
Add a new substrate	47
Summary	48
Select printer settings and color profile	48
Load the substrate and print the diagnostic plot	50
Change settings while printing	51
Advanced settings	51
Temperature profile	53
Select the number of passes	53
Check the quantity of ink on the substrate	54
Faster printing	57
Color calibration	57
Color profiles	58
Color reproduction tricks	58
Troubleshoot print-quality issues	59
General printing advice	59
Use the printhead status plot	59
Print the printhead status plot	59
Interpret the printhead status plot	59
Corrective action	60
What to do if problems persist	60
Graininess	60
Horizontal banding	61
Adjust the substrate advance	62
Substrate advance adjustment on the fly	62
Vertical banding	63
The print is deformed into a curved shape	63
Misaligned colors	64
Color intensity varies	64
Lack of sharpness	65
Black areas look hazy	65
Ink smears	65
Subtle stains or uneven appearance	65
The ink smudges when touched, or looks oily	66
The dimensions of the print are wrong	66
Tiling issues	66
Troubleshoot substrate issues	69
The substrate cannot be loaded successfully	69
The substrate is mispositioned	69
The substrate has jammed	70
Check the substrate path	70
Check the printhead path	70
Avoiding substrate jams	71
The substrate is deformed or wrinkled	72
The substrate has shrunk or expanded	72
The substrate has bow deformation	73
The automatic cutter does not work	74
Take-up reel substrate jam	74
Take-up reel does not wind	74
Troubleshoot ink-system issues	77
Ink maintenance kit needs to be installed	77
Cannot insert an ink cartridge	77
Cannot insert a printhead	77
Cannot insert the printhead cleaning cartridge	77
Front panel recommends reseating or replacing a printhead	77
Clean the printheads	78
Align the printheads	78
Reinsert printheads procedure	78
Image Quality Maintenance menu procedure	79
Scan errors during alignment	79
Troubleshoot other issues	81
The printer cannot get an IP address	81
Cannot access the Embedded Web Server	81
The printer is not printing	82
The software program slows down or stalls while generating the print job	82
The printer seems slow	82
Cannot access files on the hard disk	83
Communication failures between computer and printer	83
The platen rollers squeak	83
Front-panel error messages	85
Printer logs	90
When you need help	91
Introduction	91
Documentation	91
Customer Self Repair	91
HP Customer Care Centers	91
Telephone number	92
Service information	92
Summary of common printing problems	93