HP K850 Series User Manual download pdf (Page 78)

6. Pull the printhead latch all the way forward, and then press down to ensure that the latch is

properly engaged. You might have to apply some pressure to engage the latch.

7. Close the top cover, and then wait while the printer initializes the printheads and prints the

alignment pages.

70 Chapter 5 Maintaining and troubleshooting ENWW

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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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HP K850 Series User Manual Page 78

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