4 Troubleshooting
4.1.
Initial Troubleshooting Flowchart
START
Plug the Power Cord in, and turn
the Power Switche ON.
Does the unit power up
normally?
Does the unit produce
normal copies?
Troubleshoot communication
problems (transmission,
reception, dialing, polling,
information codes, or
diagnostic codes.)
Ver. 1.0
No
Does the LCD display
Yes
the function correctly?
Troubleshoot any 3-digit
CODE displayed
No
Does the original document
Yes
feed through correctly?
Does the recording paper
exit the unit?
Troubleshoot printed
copy quality problems
No
Yes
No
Yes
Troubleshoot the
Document Feeder
No
Yes
186
DP-8020E/8020P/8016P
Troubleshoot Improper
LCD Display
Check for recording
paper path problems.
SEP 2006