Firewall

113

Scan-to and Fax-to Folder Authentication

113

Syslog

114

Certificates

114

Signed Firmware

114

Wireless Authentication

114

Economy settings

114

Print with General Office mode

114

Power handling

114

Clean the product

116

Clean the control panel

116

Product updates

116

11 Solve problems

117

Customer support

117

Problem-solving checklist

117

Step 1: Check that the product power is on

118

Step 2: Check the control panel for error messages

118

Step 3: Test print functionality

118

Step 4: Try sending a print job from a computer

118

Step 5: Test the Plug and Print USB Drive printing functionality (X551 Series)

118

Factors that affect product performance

119

Restore the factory-set defaults

119

Paper feeds incorrectly or becomes jammed

120

The product does not pick up paper

120

The product picks up multiple sheets of paper

120

Prevent paper jams

120

Clear jams

121

Jam locations

121

Clear jams in Tray 1(Multi-purpose tray)

122

Clear jams in Tray 2

125

Clear jams in optional Tray 3

126

Clear jams in the left door

127

Clear jams in the output bin

129

Clear jams in the duplexer

130

Improve print quality

132

Use the correct paper type setting in the printer driver

133

Adjust color

133

Use paper that meets HP specifications

137

Check the ink cartridges

137

Clean ink smears

140

ENWW

ix

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HP Pro X451 manual 117