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HP LaserJet Pro MFP M28-M31 User Guide - Page 12

Control panel view, Wireless models - wireless setup

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Control panel view Wireless models 1 11 10 9 8 7 1 Control panel LED display 2 Copy Setup button 3 Start Copy button 4 Cancel button 5 Supplies LED 6 Power button/Ready LED 7 Attention LED 8 Wireless button and LED (wireless models only) 9 ID Copy button 10 Down Arrow button 11 Up Arrow button 2 3 4 5 6 The control panel LED display shows numerical information for copy settings and event codes. Use this button to navigate through the Number of Copies, Lighter/Darker, and Reduce/ Enlarge options. The default option is Number of Copies. Use this button to start a copy job. Or, in manual duplex mode, use this button to print the second side of the page. Press this button to cancel a job. A Supplies light blinks when a supply error occurs, and it glows without blinking when the supply is very low and replacement is required. ● Use this button to turn the printer on or off. ● The Ready light is on when the printer is ready to print. It blinks when the printer is receiving print data and dims when the printer is in a low-power state. The Attention light blinks when the printer requires user attention. If the Attention light is on, the printer is in an error state. Press this button to turn the wireless feature on or off, or to configure a WiFi Direct connection. Press and hold this button to configure a WPS connection. If the wireless LED light is on, there is a stable wireless connection. If it is blinking, there is currently no wireless connection, or there is either a WPS or WiFi Direct configuration process in progress. If it is blinking rapidly, there is an issue with the wireless connection. Use this button to copy an identification card. Use this button to decrease the value that appears on the display. Use this button to increase the value that appears on the display. 4 Chapter 1 Printer overview ENWW

Section	Page
Printer overview	9
Warning icons	10
Printer views	11
Printer front view	11
Printer back view	11
Control panel view	12
Wireless models	12
Base models	13
Printer specifications	14
Technical specifications	14
Supported operating systems	14
Mobile printing solutions	15
Printer dimensions	16
Power consumption, electrical specifications, and acoustic emissions	16
Operating-environment range	16
Printer hardware setup and software installation	17
Paper trays	19
Introduction	20
Load paper trays	20
Input tray	20
Load and print envelopes	21
Introduction	21
Print envelopes	21
Envelope orientation	21
Load and print labels	22
Introduction	22
Manually feed labels	22
Label orientation	22
Supplies, accessories, and parts	23
Order supplies, accessories, and parts	24
Ordering	24
Supplies and accessories	24
Replace the toner cartridge	25
Cartridge information	25
Remove and replace the toner cartridge	25
Print	29
Print tasks (Windows)	30
How to print (Windows)	30
Manually print on both sides (Windows)	31
Print multiple pages per sheet (Windows)	31
Select the paper type (Windows)	32
Print tasks (OS X)	33
How to print (OS X)	33
Manually print on both sides (OS X)	33
Print multiple pages per sheet (OS X)	33
Select the paper type (OS X)	34
Mobile printing	35
Introduction	35
Wi-Fi Direct (wireless models only)	35
Enable or disable Wi-Fi Direct	36
Change the printer Wi-Fi Direct name	37
AirPrint	37
Android embedded printing (wireless models only)	38
Copy	39
Make a copy	40
Copy identification card	41
Scan	43
Scan by using the HP Scan software (Windows)	44
Scan by using the HP Easy Scan Software (OS X)	45
Additional scan tasks	46
Manage the printer	47
Change the printer connection type (Windows)	48
Advanced configuration with HP Embedded Web Server (EWS) and HP Device Toolbox (Windows)	49
Advanced configuration with HP Utility for OS X	51
Open HP Utility	51
HP Utility features	51
Configure IP network settings	53
Introduction	53
Printer sharing disclaimer	53
View or change network settings	53
Manually configure IPv4 TCP/IP parameters	53
Printer security features	55
Introduction	55
Assign or change the system password using the HP Embedded Web Server	55
Energy-conservation settings	57
Introduction	57
Set the Sleep/Auto Off After Inactivity setting	57
Set the Shut Down After Inactivity delay and configure the printer to use 1 watt or less of power	58
Set the Delay Shut Down setting	59
Update the firmware	60
Update the firmware using the Firmware Update Utility	60
Solve problems	61
Customer support	62
Laser Warning	63
Interpret control-panel light patterns	64
Restore the factory-set defaults	68
A “Cartridge is low” or “Cartridge is very low” message displays	69
Change the “Very Low” settings	69
Order supplies	70
Printer does not pick up paper or misfeeds	71
Introduction	71
The product does not pick up paper	71
The product picks up multiple sheets of paper	71
Clear paper jams	72
Introduction	72
Jam locations	72
Experiencing frequent or recurring paper jams?	73
Clear jams from the input tray	75
Clear jams from inside the product	77
Clear jams from the output areas	79
Improve print quality	81
Introduction	81
Update the printer firmware	81
Print from a different software program	81
Check the paper-type setting for the print job	82
Check the paper type setting on the printer	82
Check the paper type setting (Windows)	82
Check the paper type setting (OS X)	82
Check toner-cartridge status	82
Cartridge cleaning	83
Print a cleaning page	84
Visually inspect the toner cartridge	84
Check paper and the printing environment	84
Step one: Use paper that meets HP specifications	84
Step two: Check the environment	85
Adjust Print Density	85
Resolving print quality problems	87
Introduction	87
Troubleshoot print quality problems	87
Improve copy and scan image quality	95
Introduction	95
Check the scanner glass for dirt and smudges	95
Check the paper settings	95
Optimize for text or pictures	97
Edge-to-edge copying	97
Solve wireless network problems	98
Introduction	98
Wireless connectivity checklist	98
The printer does not print after the wireless configuration completes	99
The printer does not print, and the computer has a third-party firewall installed	99
The wireless connection does not work after moving the wireless router or printer	99
Cannot connect more computers to the wireless printer	99
The wireless printer loses communication when connected to a VPN	100
The network does not appear in the wireless networks list	100
The wireless network is not functioning	100
Perform a wireless network diagnostic test	100
Reduce interference on a wireless network	101

Match case Limit results 1 per page

Control panel view

Wireless models

Control panel LED display

The control panel LED display shows numerical information for copy settings and event

codes.

Copy Setup button

Use this button to navigate through the Number of Copies, Lighter/Darker, and Reduce/

Enlarge options. The default option is Number of Copies.

Start Copy button

Use this button to start a copy job. Or, in manual duplex mode, use this button to print the

second side of the page.

Cancel

button

Press this button to cancel a job.

Supplies LED

A Supplies light blinks when a supply error occurs, and it glows without blinking when the

supply is very low and replacement is required.

Power button/Ready LED

●

Use this button to turn the printer on or oﬀ.

●

The Ready light is on when the printer is ready to print. It blinks when the printer is

receiving print data and dims when the printer is in a low-power state.

Attention LED

The Attention light blinks when the printer requires user attention. If the Attention light is

on, the printer is in an error state.

Wireless

button and LED

(wireless models only)

Press this button to turn the wireless feature on or oﬀ, or to conﬁgure a WiFi Direct

connection.

Press and hold this button to conﬁgure a WPS connection.

If the wireless LED light is on, there is a stable wireless connection. If it is blinking, there is

currently no wireless connection, or there is either a WPS or WiFi Direct conﬁguration

process in progress. If it is blinking rapidly, there is an issue with the wireless connection.

ID Copy button

Use this button to copy an identiﬁcation card.

Down Arrow

button

Use this button to decrease the value that appears on the display.

Up Arrow

button

Use this button to increase the value that appears on the display.

Chapter 1

Printer overview

ENWW