HP L26500/L28500 User Manual Page 3
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Table of contents
1 Safety precautions ............................................................................................................ 1
General safety guidelines .......................................................................................................... 1
Electrical shock hazard ............................................................................................................. 1
Heat hazard ............................................................................................................................ 2
Fire hazard ............................................................................................................................. 2
Mechanical hazard .................................................................................................................. 3
Heavy substrate hazard ............................................................................................................ 3
Ink handling ............................................................................................................................ 3
Warnings and cautions ............................................................................................................. 3
Warning labels ........................................................................................................................ 4
2 Printer status .................................................................................................................... 5
Check printer status .................................................................................................................. 5
Check the status of the ink system ............................................................................................... 5
Check the status of the ink cartridges .......................................................................................... 6
Check the status of a printhead .................................................................................................. 6
Check the file system ................................................................................................................ 7
Printer alerts ............................................................................................................................ 7
3 Firmware update .............................................................................................................. 8
4 Hardware maintenance .................................................................................................... 9
Ink system tips ......................................................................................................................... 9
Align the printheads ................................................................................................................. 9
Check substrate porosity ......................................................................................................... 10
Clean the electrical connections on a printhead ......................................................................... 12
Clean the exterior of the printer ............................................................................................... 15
Clean the platen .................................................................................................................... 15
Clean (recover) the printheads ................................................................................................. 18
Clean the substrate-advance sensor window .............................................................................. 18
Lubricate the printhead carriage .............................................................................................. 19
Lubricate the platen rollers ....................................................................................................... 20
Maintain the ink cartridges ...................................................................................................... 22
Move or store the printer ......................................................................................................... 22
ENWW iii
- Table of contents 3
- 1 Safety precautions 7
- Heat hazard 8
- Fire hazard 8
- Mechanical hazard 9
- Heavy substrate hazard 9
- Ink handling 9
- Warnings and cautions 9
- Warning labels 10
- 2 Printer status 11
- Ink menu procedure 12
- Check the file system 13
- Printer alerts 13
- 3 Firmware update 14
- 4 Hardware maintenance 15
- Check substrate porosity 16
- Maintain hardware 17
- Clean the platen 21
- Clean after porous substrates 24
- Lubricate the platen rollers 26
- Maintain the ink cartridges 28
- Move or store the printer 28
- Replace an ink cartridge 29
- Replace a printhead 36
- Service maintenance 46
- 5 Substrate settings 47
- Substrate settings 48
- Advanced settings 52
- Temperature profile 54
- Select the number of passes 54
- Faster printing 57
- Color calibration 57
- Color profiles 58
- Color reproduction tricks 59
- General printing advice 60
- Use the printhead status plot 60
- Graininess 61
- Horizontal banding 62
- Adjust the substrate advance 63
- Vertical banding 64
- Misaligned colors 65
- Color intensity varies 65
- Lack of sharpness 66
- Black areas look hazy 66
- Ink smears 67
- Troubleshoot images 68
- Tiling issues 69
- Troubleshoot substrate 70
- The substrate has jammed 71
- Avoiding substrate jams 73
- Take-up reel substrate jam 75
- Take-up reel does not wind 76
- Cannot insert a printhead 78
- Clean the printheads 79
- Align the printheads 79
- Reinsert printheads procedure 80
- Scan errors during alignment 81
- 9 Troubleshoot other issues 82
- The printer is not printing 83
- The printer seems slow 83
- Troubleshoot other 84
- The platen rollers squeak 85
- 10 Front-panel error messages 86
- Error messages 87
- Printer logs 91
- 11 When you need help 92
- HP Customer Care Centers 93
- Service information 93
- A Summary of common printing 94
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