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HP Color LaserJet Pro M255-M256 User Guide - Page 23

Printer dimensions,

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Printer dimensions Figure 1-1 Dimensions for the nw and dn models 3 2 1 Table 1-9 nw and dn model printer dimension legend Dimension Printer fully closed 1. Height 247.5 mm (9.7 in) 2. Depth nw models: 385.8 mm (15.2 in) dn models: 419 mm (16.5 in) 3. Width 392 mm (15.4 in) Weight (with cartridges) nw models: 13.8 kg (30.4 lb) dn models: 14.8 kg (32.6 lb) Figure 1-2 Dimensions for dw models 3 2 1 Table 1-10 dw model printer dimension legend Dimension Printer fully closed 1. Height 247.5 mm (9.7 in) 2. Depth 419 mm (16.5 in) ENWW 3 1 2 Printer fully open 247.5 mm (9.7 in) nw models: 855 mm (33.7 in) dn models: 1008 mm (39.7 in) 392 mm (15.4 in) nw models: 13.8 kg (30.4 lb) dn models: 14.8 kg (32.6 lb) 3 1 2 Printer fully open 297 mm (11.7 in) 1008 mm (39.7 in) Printer specifications 13

Section	Page
Printer overview	11
Warning icons	12
Printer views	13
Printer front view	13
Printer back view	14
2-line control-panel view (nw and dn models only)	15
Touchscreen control-panel view (dw models only)	17
Home screen layout	18
How to use the touchscreen control panel	19
Printer specifications	20
Technical specifications	20
Supported operating systems	20
Mobile printing solutions	22
Printer dimensions	23
Power consumption, electrical specifications, and acoustic emissions	24
Operating environmental range	24
Printer hardware setup and software installation	25
Paper trays	27
Introduction	28
Load paper to the single-sheet slot (Tray 1)	28
Introduction	28
Tray 1 paper orientation	30
Load paper to Tray 2	31
Introduction	31
Tray 2 paper orientation	33
Load and print envelopes	35
Introduction	35
Print envelopes	35
Envelope orientation	36
Load and print labels	37
Introduction	37
Manually feed labels	37
Label orientation	38
Supplies, accessories, and parts	39
Order supplies, accessories, and parts	40
Ordering	40
Supplies and accessories	40
Customer self-repair parts	41
Replace the toner cartridges	42
Introduction	42
Remove and replace the toner cartridges	44
Print	47
Print tasks (Windows)	48
How to print (Windows)	48
Automatically print on both sides (Windows)	48
Manually print on both sides (Windows)	49
Print multiple pages per sheet (Windows)	49
Select the paper type (Windows)	50
Print tasks (macOS)	51
How to print (macOS)	51
Automatically print on both sides (macOS)	51
Manually print on both sides (macOS)	51
Print multiple pages per sheet (macOS)	52
Select the paper type (macOS)	52
Additional print tasks	52
Mobile printing	53
Introduction	53
Wi-Fi Direct (wireless models only)	53
Enable or disable Wi-Fi Direct	55
Change the printer Wi-Fi Direct name	56
HP ePrint via email	58
HP ePrint software	59
AirPrint	60
Android embedded printing	60
Use walk-up USB printing (touchscreen models only)	61
Introduction	61
Step one: Access USB files on the printer	61
Step two: Print USB documents	61
Option one: Print documents	61
Option two: Print photos	62
Manage the printer	63
Use HP Web Services applications (touchscreen models only)	64
Change the printer connection type (Windows)	65
Advanced configuration with HP Embedded Web Server (EWS) and HP Device Toolbox (Windows)	66
Method one: Open the HP Embedded Web Server (EWS) from the software	66
Method two: Open the HP Embedded Web Server (EWS) from a web browser	66
Configure IP network settings	70
Introduction	70
Printer sharing disclaimer	70
View or change network settings	70
Rename the printer on a network	71
Manually configure IPv4 TCP/IP parameters from the control panel	72
Printer security features	74
Introduction	74
Assign or change the system password using the HP Embedded Web Server	74
Energy-conservation settings	76
Introduction	76
Print with EconoMode	76
Set the Sleep/Auto Off After Inactivity setting	76
Set the Shut Down After Inactivity delay and configure the printer to use 1 watt or less of power	77
Set the Delay Shut Down setting	78
HP Web Jetadmin	80
Update the firmware	81
Method one: Update the firmware using the control panel	81
Method two: Update the firmware using the Firmware Update Utility	82
Solve problems	83
Customer support	84
Control panel help system (touchscreen models only)	85
Restore the factory-set defaults	86
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel	87
Change the “Very Low” settings	87
For printers with fax capability	88
Order supplies	88
Printer does not pick up paper or misfeeds	89
Introduction	89
The product does not pick up paper	89
The product picks up multiple sheets of paper	89
Clear paper jams	90
Introduction	90
Paper jam locations	90
Experiencing frequent or recurring paper jams?	91
Clear paper jams in the single-sheet slot (Tray 1)	93
Clear paper jams in Tray 2	95
Clear paper jams in the rear door and the fuser area	97
Clear paper jams in the duplexer (duplex models only)	99
Clear paper jams in the output bin	101
Improve print quality	103
Introduction	103
Update the printer firmware	104
Print from a different software program	104
Check the paper-type setting for the print job	104
Check the paper type setting on the printer	104
Check the paper type setting (Windows)	104
Check the paper type setting (macOS)	104
Check toner-cartridge status	105
Step one: Print the supplies status page	105
Step two: Check supplies status	105
Print a cleaning page	106
Visually inspect the toner cartridge or cartridges	107
Check paper and the printing environment	107
Step one: Use paper that meets HP specifications	107
Step two: Check the environment	107
Step three: Set the individual tray alignment	108
Try a different print driver	109
Check the EconoMode settings	110
Adjust Print Density	110
Calibrate the printer to align the colors	111
Adjust color settings (Windows)	112
Print and interpret the print quality page	112
Resolving print quality problems	114
Introduction	114
Troubleshoot print quality problems	114
Solve wired network problems	122
Introduction	122
Poor physical connection	122
The computer is using the incorrect IP address for the printer	122
The computer is unable to communicate with the printer	123
The printer is using incorrect link and duplex settings for the network	123
New software programs might be causing compatibility problems	123
The computer or workstation might be set up incorrectly	123
The printer is disabled, or other network settings are incorrect	123
Solve wireless network problems	124
Introduction	124
Wireless connectivity checklist	124
The printer does not print after the wireless configuration completes	125
The printer does not print, and the computer has a third-party firewall installed	125
The wireless connection does not work after moving the wireless router or printer	125
Cannot connect more computers to the wireless printer	125
The wireless printer loses communication when connected to a VPN	126
The network does not appear in the wireless networks list	126
The wireless network is not functioning	126
Perform a wireless network diagnostic test	126
Reduce interference on a wireless network	127