9 Maintain and troubleshoot

 

Work with ink cartridges

143

Information on ink cartridges and the printhead

144

Check the estimated ink levels

144

Replace the ink cartridges

145

Advanced ink cartridge maintenance

147

Clean the sensor

148

Clean the sensor windows on the ink cartridges

149

Advanced printhead maintenance

151

Clean the printhead

151

Align the printer

152

Usage information collection

153

Print and evaluate a print quality report

154

To print a print quality report

154

To evaluate the Print Quality Diagnostic Page

155

Ink Levels

155

Good color bars

155

Ragged, irregularly streaked, or faded bars

156

Regular white streaks in the bars

157

Bar colors are not uniform

157

Large Black Font Text

158

Alignment Patters

158

Clean the device

159

Clean the scanner glass

159

Clean the exterior

160

Clean the automatic document feeder

160

General troubleshooting tips and resources

163

Solve printing problems

164

The device shuts down unexpectedly

164

Error message appears on control-panel display

165

Device takes a long time to print

165

Blank or partial page printed

165

Something on the page is missing or incorrect

166

Placement of the text or graphics is wrong

166

Print troubleshooting

167

Envelopes print incorrectly

168

The product is not responding

168

The product prints meaningless characters

171

Nothing happens when I try to print

172

The margins are not printing as expected

175

Text or graphics are cut off at the edge of the page

176

A blank page came out while printing

178

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HP E709, 6500 manual Maintain and troubleshoot