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HP Color LaserJet Pro MFP M478-M479 User Guide - Page 150

Resolving print quality problems, Introduction

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Resolving print quality problems Review the following information about resolving print quality problems. ● Introduction ● Troubleshoot print quality ● Troubleshoot image defects Introduction Use the information below to troubleshoot print-quality problems, including issues with image quality and color quality. The troubleshooting steps can help resolve the following defects: ● Blank pages ● Black pages ● Colors that do not align ● Curled paper ● Dark or light bands ● Dark or light streaks ● Fuzzy print ● Gray background or dark print ● Light print ● Loose toner ● Missing toner ● Scattered dots of toner ● Skewed images ● Smears ● Streaks 138 Chapter 9 Solve problems ENWW

Section	Page
Printer overview	13
Warning icons	13
Potential shock hazard	14
Open source license	15
Printer views	16
Printer front view	16
Printer back view	17
Control panel view	18
How to use the touchscreen control panel	20
Printer specifications	21
Technical specifications	21
Supported operating systems	22
Mobile printing solutions	24
Printer dimensions	24
Power consumption, electrical specifications, and acoustic emissions	26
Operating environment range	26
Printer hardware setup and software installation	27
Paper trays	29
Introduction	29
Load paper to Tray 1	30
Introduction	30
Load Paper Tray 1 (multipurpose tray)	30
Tray 1 paper orientation	31
Load paper to Tray 2	34
Introduction	34
Load paper Tray 2	34
Tray 2 paper orientation	36
Load paper to Tray 3	39
Introduction	39
Load paper to Tray 3 (optional)	39
Tray 3 paper orientation	41
Load and print envelopes	43
Introduction	43
Print envelopes	43
Envelope orientation	43
Supplies, accessories, and parts	45
Order supplies, accessories, and parts	46
Ordering	46
Supplies and accessories	46
Customer self-repair parts	48
Dynamic security	48
Configure the HP toner-cartridge-protection supply settings	49
Introduction	49
Enable or disable the Cartridge Policy feature	50
Use the printer control panel to enable the Cartridge Policy feature	50
Use the printer control panel to disable the Cartridge Policy feature	50
Use the HP Embedded Web Server (EWS) to enable the Cartridge Policy feature	50
Use the HP Embedded Web Server (EWS) to disable the Cartridge Policy feature	51
Troubleshoot Cartridge Policy control panel error messages	51
Enable or disable the Cartridge Protection feature	53
Use the printer control panel to enable the Cartridge Protection feature	53
Use the printer control panel to disable the Cartridge Protection feature	53
Use the HP Embedded Web Server (EWS) to enable the Cartridge Protection feature	54
Use the HP Embedded Web Server (EWS) to disable the Cartridge Protection feature	54
Troubleshoot Cartridge Protection control panel error messages	55
Replace the toner cartridges	56
Toner cartridge information	56
Remove and replace the toner cartridges	58
Print	63
Print tasks (Windows)	64
How to print (Windows)	64
Automatically print on both sides (Windows)	64
Manually print on both sides (Windows)	65
Print multiple pages per sheet (Windows)	65
Select the paper type (Windows)	66
Additional print tasks	66
Print tasks (macOS)	67
How to print (macOS)	67
Automatically print on both sides (macOS)	67
Manually print on both sides (macOS)	67
Print multiple pages per sheet (macOS)	68
Select the paper type (macOS)	68
Additional print tasks	69
Store print jobs on the printer to print later or print privately	70
Introduction	70
Before beginning	70
Set up job storage	70
Disable or enable the job storage feature	71
Create a stored job (Windows)	72
Create a stored job (macOS)	72
Print a stored job	73
Delete a stored job	75
Delete a job that is stored on the printer	75
Information sent to printer for Job Accounting purposes	75
Mobile printing	76
Introduction	76
Wi-Fi Direct printing (wireless models only)	77
To turn on Wi-Fi Direct	77
Change the printer Wi-Fi Direct name	78
Step one: Open the HP Embedded Web Server	78
Step two: Change the Wi-Fi Direct name	78
HP ePrint via Email	78
AirPrint	79
Android embedded printing	79
Print from a USB flash drive	80
Introduction	80
Print USB documents	80
Copy	81
Make a copy	81
Copy on both sides (duplex)	82
Copy on both sides automatically	82
Copy on both sides manually	82
Copy an identification card	82
Additional copy tasks	83
Scan	85
Scan by using HP Scan software (Windows)	85
Scan by using HP Easy Scan Software (macOS)	86
Set up Scan to Email	87
Introduction	87
Before you begin	87
Method one: Use the Scan to Email Wizard (Windows)	87
Method two: Set up the Scan to Email feature via the HP Embedded Web Server	90
Step one: Access the HP Embedded Web Server (EWS)	90
Step two: Configure the Scan to Email feature	90
Set up Scan to Network Folder	91
Introduction	91
Before you begin	91
Method one: Use the Scan to Network Folder Wizard (Windows)	91
Method two: Set up the Scan to Network Folder feature via the HP Embedded Web Server	94
Step one: Access the HP Embedded Web Server (EWS)	94
Step two: Configure the Scan to Network Folder feature	94
Set up Scan to SharePoint	95
Step one: Access the HP Embedded Web Server (EWS)	95
Step two: Set up Scan to SharePoint	95
Set up Scan to Computer (Windows)	96
Enable scanning to a computer (Windows)	96
Scan to a USB flash drive	96
Scan to email	97
Scan to a network folder	97
Scan to SharePoint	98
Scan to a computer (Windows)	98
Additional scan tasks	99
Fax	101
Connect and configure the printer for fax	102
Connect the printer to a telephone line	102
Configure the printer for fax	103
Configure the fax time, date and header using the HP Fax Setup Wizard	103
Configure the time, date, and header using the printer control panel	103
Configure the time, date, and header using the HP Embedded Web Server and Printer Home Page (EWS)	104
Configure for stand-alone fax	105
Configure for an answering machine	105
Install the HP Fax software in Windows (optional)	106
Send a fax	107
Send a fax by dialing manually from the printer control panel	107
Fax from the flatbed scanner	107
Fax from the document feeder	108
Schedule a fax to be sent later	109
Use phone book entries	109
Send a fax from the software (Windows)	110
Send a fax from a third-party software program, such as Microsoft Word	111
Create, edit, and delete phone book entries	112
Create and edit individual phone-book entries	112
Create and edit group phone-book entries	112
Delete phone book entries	112
Reprint a received fax from the printer memory	113
Additional fax tasks	113
Manage the printer	115
Use HP Web Services applications	115
Change the printer connection type (Windows)	116
Advanced configuration with HP Embedded Web Server and Printer Home Page (EWS)	117
Method one: Open the HP Embedded Web Server (EWS) from the software	117
Method two: Open the HP Embedded Web Server (EWS) from a web browser	117
Configure IP network settings	121
Introduction	121
Printer sharing disclaimer	121
View or change network settings	121
Rename the printer on a network	121
Manually configure IPv4 TCP/IP parameters from the control panel	122
Link speed and duplex settings	122
Printer security features	124
Introduction	124
Assign or change the system password using the Embedded Web Server	124
Energy-conservation settings	125
Introduction	125
Print with EconoMode	125
Set the Sleep Mode setting	125
Set the Shutdown Mode setting	125
Set the Disable Shutdown setting	126
HP Web Jetadmin	126
Update the firmware	127
Method one: Update the firmware using the control panel	127
Method two: Update the firmware using the HP Printer Update utility	127
Solve problems	129
Customer support	129
Control panel help system	130
Restore the factory-set defaults	130
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel	131
Change the “Very Low” settings	132
Change the \	132
For printers with fax capability	132
Order supplies	132
Printer does not pick up paper or misfeeds	134
Introduction	134
The printer picks up multiple sheets of paper	134
The printer does not pick up paper	136
The document feeder jams, skews, or picks up multiple sheets of paper	138
Clear paper jams	139
Introduction	139
Experiencing frequent or recurring paper jams?	139
Paper jam locations	140
Clear paper jams in the document feeder	140
Clear paper jams in Tray 1 - 13.02	143
Clear paper jams in Tray 2 - 13.03	145
Clear paper jams in the output bin - 13.10, 13.11, 13.12	147
Clear paper jams in the duplexer (duplex models only) - 13.14, 13.15	147
Clear paper jams in the toner cartridge or fuser area - 13.08, 13.09	148
Resolving print quality problems	150
Introduction	150
Troubleshoot print quality	151
Update the printer firmware	151
Print from a different software program	151
Check the paper-type setting for the print job	152
Check the paper type setting on the printer	152
Check the paper type setting (Windows)	152
Check the paper type setting (macOS)	152
Check toner-cartridge status	153
Step one: Print a supplies status page	153
Step two: Check supplies status	153
Print a cleaning page	153
Visually inspect the toner cartridge or cartridges	154
Check paper and the printing environment	155
Step one: Use paper that meets HP specifications	155
Step two: Check the environment	155
Step three: Set the individual tray alignment	155
Try a different print driver	156
Troubleshoot color quality	157
Calibrate the printer to align the colors	157
Adjust color settings (Windows)	157
Print and interpret the print quality page	157
Check the EconoMode settings	158
Adjust print density	159
Troubleshoot image defects	159
Improve copy and scan image quality	169
Introduction	169
Check the scanner glass for dirt and smudges	169
Check the paper settings	170
Check the image adjustment settings	170
Optimize for text or pictures	170
Check the scanner resolution and color settings on the computer	171
Resolution and color guidelines	171
Color	172
Edge-to-edge copying	172
Clean the pickup rollers and separation pad in the document feeder	172
Improve fax image quality	175
Introduction	175
Check the scanner glass for dirt and smudges	175
Check the send-fax resolution settings	176
Check the Error Correction Mode setting	176
Send to a different fax machine	176
Check the sender's fax machine	176
Solve wired network problems	177
Introduction	177
Poor physical connection	177
The computer is using the incorrect IP address for the printer	177
The computer is unable to communicate with the printer	177
The printer is using incorrect link and duplex settings for the network	178
New software programs might be causing compatibility problems	178
The computer or workstation might be set up incorrectly	178
The printer is disabled, or other network settings are incorrect	178
Solve wireless network problems	179
Introduction	179
Wireless connectivity checklist	179
The printer does not print after the wireless configuration completes	180
The printer does not print, and the computer has a third-party firewall installed	180
The wireless connection does not work after moving the wireless router or printer	180
Cannot connect more computers to the wireless printer	181
The wireless printer loses communication when connected to a VPN	181
The network does not appear in the wireless networks list	181
The wireless network is not functioning	181
Perform a wireless network diagnostic test	182
Reduce interference on a wireless network	182
Solve fax problems	183
Introduction	183
Fax troubleshooting checklist	183
Solve general fax problems	185
Faxes are sending slowly	185
Fax quality is poor	185
Fax cuts off or prints on two pages	186