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HP LaserJet Pro MFP M25-M27 User Guide - Page 76

Solve problems, Control-panel light patterns continued

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Table 8-2 Control-panel light patterns (continued) Light status Error code Attention light is blinking. E0 E1 E2 E4 E5 H0 H1 The attention and toner lights E3 are blinking. State of the product Action Paper is jammed in the printer. Clear the jam. The input tray is empty. Load the tray. A door is open. Verify that the toner-cartridge door is fully closed. The toner cartridge is very low. Press the Start Copy button to continue or replace the toner cartridge. The toner cartridge is very low. Replace the toner cartridge. The printer is in manual-feed mode. Load the correct paper type and size into the input tray. Press the Start Copy button to continue. The printer is processing a manual duplex job. Load the pages into the input tray to print the second sides. Press the Start Copy button to continue. The toner-cartridge is missing or Install the toner-cartridge. is not installed correctly. The toner light is on. The attention and ready lights E6 are on. E7 E8 E9 68 Chapter 8 Solve problems The toner-cartridge has reached the end of its estimated useful life. When the supply has reached this condition, the HP Premium Protection warranty for that supply has ended. You do not need to replace the toner-cartridge at this time unless print quality is no longer acceptable. The printer has experienced a 1. Turn off the printer or fatal error from which it cannot disconnect the power cord recover. from the printer. 2. Wait 30 seconds, and then turn on the printer or reconnect the power cord to the printer. 3. Wait for the printer to initialize. If the error persists, contact HP customer support. ENWW

Section	Page
Printer overview	9
Printer views	10
Printer front view	10
Printer back view	10
LED control-panel view (M26a models)	11
LCD control-panel view (M26nw models)	12
Printer specifications	14
Technical specifications	14
Supported operating systems	15
Mobile printing solutions	16
Printer dimensions	17
Power consumption, electrical specifications, and acoustic emissions	17
Operating-environment range	17
Printer hardware setup and software installation	18
Paper trays	19
Load the input tray	20
Load the input tray	23
Tray adjustment for small paper sizes	24
Load and print envelopes	26
Introduction	26
Print envelopes	26
Envelope orientation	26
Supplies, accessories, and parts	27
Order supplies, accessories, and parts	28
Ordering	28
Supplies and accessories	28
Customer self-repair parts	28
Replace the toner cartridge	29
Introduction	29
Toner-cartridge information	29
Remove and replace the toner cartridge	30
Print	33
Print tasks (Windows)	34
How to print (Windows)	34
Manually print on both sides (Windows)	35
Print multiple pages per sheet (Windows)	37
Select the paper type (Windows)	39
Additional printing information	41
Print tasks (OS X)	42
How to print (OS X)	42
Manually print on both sides (OS X)	42
Print multiple pages per sheet (OS X)	43
Select the paper type (OS X)	43
Additional print tasks	44
Mobile printing	45
Introduction	45
Wireless Direct (wireless models only)	45
Enable or disable Wireless Direct	45
Change the printer Wireless Direct name	46
HP ePrint via email	47
HP ePrint software	48
Android embedded printing	48
Copy	49
Make a copy	50
Copy on both sides (duplex)	51
Copy on both sides manually	51
Scan	53
Scan by using the HP Scan software (Windows)	54
Scan by using the HP Scan software (OS X)	55
Manage the printer	57
Change the printer connection type (Windows)	58
Advanced configuration with HP Embedded Web Server (EWS) and HP Device Toolbox (Windows)	59
Advanced configuration with HP Utility for OS X	61
Open HP Utility	61
HP Utility features	61
Configure IP network settings	63
Introduction	63
Printer sharing disclaimer	63
View or change network settings	63
Rename the printer on a network	63
Manually configure IPv4 TCP/IP parameters from the control panel	64
Printer security features	65
Introduction	65
Assign or change the system password using the Embedded Web Server	65
Energy-conservation settings	67
Introduction	67
Print with EconoMode	67
Set the Sleep/Auto Off After Inactivity setting	68
Set the Shut Down After Inactivity delay and configure the printer to use 1 watt or less of power	68
Set the Delay Shut Down setting	69
Update the firmware	71
Update the firmware using the Firmware Update Utility	71
Solve problems	73
Customer support	74
Interpret control-panel light patterns (LED model only)	75
Restore the factory-set defaults	77
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel	78
Change the “Very Low” settings	78
Order supplies	79
Solve paper feed or jam problems	80
Introduction	80
Solve paper feed or jam problems	80
The product does not pick up paper	80
The product picks up multiple sheets of paper	80
Frequent or recurring paper jams	80
Prevent paper jams	81
Clear paper jams	83
Introduction	83
Paper jam locations	83
Clear jams from the input tray	83
Clear jams in the toner-cartridge area	86
Clear jams in the output bin	89
Improve print quality	93
Introduction	93
Print from a different software program	93
Check the paper-type setting for the print job	93
Check the paper type setting (Windows)	93
Check the paper type setting (OS X)	93
Check toner-cartridge status	93
Clean the printer	94
Print a cleaning page	94
Visually inspect the toner cartridge and imaging drum	95
Check paper and the printing environment	95
Use paper that meets HP specifications	95
Check the printer environment	95
Check the EconoMode settings	95
Improve copy and scan image quality	97
Introduction	97
Check the scanner glass for dirt and smudges	97
Check the paper settings	97
LED control panel	97
LCD control panel	98
Optimize for text or pictures	98
Edge-to-edge copying	98
Solve wired network problems	100
Introduction	100
Poor physical connection	100
The computer is using the incorrect IP address for the printer	100
The computer is unable to communicate with the printer	100
New software programs might be causing compatibility problems	101
The computer or workstation might be set up incorrectly	101
The printer is disabled, or other network settings are incorrect	101
Solve wireless network problems	102
Introduction	102
Wireless connectivity checklist	102
The printer does not print after the wireless configuration completes	103
The printer does not print, and the computer has a third-party firewall installed	103
The wireless connection does not work after moving the wireless router or printer	103
Cannot connect more computers to the wireless printer	103
The wireless printer loses communication when connected to a VPN	104
The network does not appear in the wireless networks list	104
The wireless network is not functioning	104
Perform a wireless network diagnostic test	104
Reduce interference on a wireless network	105