HP K850 Series User Manual Page 93
- Page / 150
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting installation issues
Problems printing alignment page
When new printheads are installed, the printer automatically prints two alignment pages to align the
printheads. This process takes about eight minutes. Do not open any covers or push any buttons
until the alignment pages have printed. The alignment pages may be discarded after they are
printed. If the printer does not print the pages, then see
General troubleshooting tips or align the
printheads manually (see
To align the printheads).
Problems installing software
Verify the computer requirements
Make sure the computer meets the system requirements. See
Operating system and network
protocol specifications.
Verify installation preliminaries
●
The computer meets the system requirements. See
Operating system and network protocol
specifications.
●
Before installing software on a Windows computer, ensure all other programs are closed.
●
If the computer does not recognize the path to the CD drive that you type, ensure you are
specifying the correct drive letter.
●
If the computer cannot recognize the Starter CD in the CD drive, inspect the CD for damage. You
can download the printer driver from
www.hp.com/support/officejetprok850.
Reinstall the printer software
If you are using Windows and the computer cannot detect the printer, insert the Starter CD, click
Utilities, and then click Uninstaller to perform a clean printer driver uninstallation. Restart your
computer, and re-install the printer driver. See
Uninstalling the printer software.
Problems connecting to a network
NOTE After correcting any of the following, run the setup program again.
General network troubleshooting
If you are unable to install the printer software on the computer, verify that:
●
All cable connections to the computer and the printer are secure.
●
The network is operational and the network hub is turned on.
●
If the Link light on the network connector does not turn on, make sure that all of the
Troubleshooting tips and resources conditions are met.
● All applications, including virus protection programs and personal firewalls, are closed or
temporarily disabled.
ENWW Troubleshooting 85
- HP Officejet Pro K850 Series 1
- User Guide 3
- Table of contents 5
- 1 Getting started 9
- Accessibility 12
- Front view 13
- Control panel 13
- Back view 14
- Rear manual feed slot 15
- Installing other software 16
- Installing accessories 17
- Selecting print media 20
- Transparencies 21
- Custom-size media 21
- Supported media sizes 21
- ENWW Selecting print media 15 23
- Supported media types 25
- ENWW Selecting print media 19 27
- Setting minimum margins 28
- Loading media 29
- Loading small media 31
- Changing print settings 33
- Canceling a print job 34
- Guidelines for duplexing 38
- Duplexing (Windows) 38
- Duplexing (Mac OS) 39
- Managing the printer 42
- Monitor the printer 43
- Administer the printer 44
- Configure network options 45
- Toolbox (Windows) 46
- HP Printer Utility (Mac OS) 47
- Embedded Web server (EWS) 48
- HP Web Jetadmin software 49
- HP Instant Support 50
- Network configuration page 54
- Printing a configuration page 55
- Direct connection 56
- Network connection 58
- Replacing the ink cartridges 66
- Maintaining the printheads 68
- Replacing the printheads 74
- Diagnosing the print quality 79
- Testing the paper feed 80
- Testing media skew 81
- Calibrating the color 82
- Troubleshooting 83
- Resolving printing problems 84
- Blank page printed 85
- Wrong colors are printing 90
- Resolving paper-feed problems 91
- Problems installing software 93
- Clearing jams 94
- To avoid jams 96
- 6 HP supplies and accessories 99
- To order printing supplies 100
- Accessories 101
- Supplies 102
- 7 Support and warranty 103
- Obtaining electronic support 104
- Before you call 105
- HP Total Care phone numbers 105
- 8 Printer lights reference 113
- ENWW 107 115
- ENWW 109 117
- 9 Printer specifications 119
- Physical specifications 120
- Functional specifications 126
- Environmental specifications 128
- Electrical specifications 129
- Regulatory information 131
- FCC statement 132
- EMI statement (Korea) 133
- VCCI statement (Japan) 134
- Regulatory model number 135
- Power cord statement 136
- Declaration of conformity 137
- Reduction and elimination 138
- Power consumption 138
- Material safety data sheets 138
- Recycling 139
- 140 Index ENWW 148
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