6
Troubleshooting
Chapter contents
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129
Troubleshooting process
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130
Basic troubleshooting
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130
Control-panel messages
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131
Control-panel message types
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131
Resolve control-panel messages
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131
Clear jams
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148
Avoid jams
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148
Typical jam locations
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149
Jam detection
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150
Clear jams from the input-tray areas
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151
Clear jams from the print-cartridge area
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153
Clear jams from the output-bin areas
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154
Clear jams from the optional duplexer
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155
Interface troubleshooting
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157
Communications checks
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157
Computer direct connect (parallel) test
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157
EIO troubleshooting
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157
Jetdirect page
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158
Network printing problems
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158
Service mode functions
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160
Cold reset
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160
NVRAM initialization
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160
Hard-disk initialization
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161
Skip disk-load
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161
Self test
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161
Service menu (service PIN codes)
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161
Service ID
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162
Restoring the service ID
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162
Convert the service ID to an actual date
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163
Troubleshooting tools
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164
Control-panel menus
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164
Diagnostics menu
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164
Test pages
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165
Engine-test page
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165
Formatter test page
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166
Image defect ruler
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167
Upgrade the firmware
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168
Determine the current firmware version
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168
Download the new firmware from the HP Web site
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168
Transfer the new firmware to the device
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168
Use FTP to upgrade the firmware on a network connection
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168
Use HP Web Jetadmin to upgrade the firmware
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169
Use MS-DOS commands to upgrade the firmware
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170
Upgrade the HP Jetdirect firmware
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171
Troubleshoot general printing problems
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172
Troubleshoot media handling problems
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175
Multiple pages feed
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175
Pages are wrinkled or folded
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175
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