Xerox 4127 User Manual page 104

Problem Solving
Symptoms
Display is dark.
If NO, go to next symptom.
A message is displayed.
If NO, go to next symptom.
The machine is not working
properly.
If NO, go to next symptom.
Image quality is poor.
If NO, go to next symptom.
Trouble during printing.
7-2 Xerox 4112/4127 EPS
User Guide
Causes and Actions
Cause Is power of the correct voltage being supplied?
Action Make sure that the power supply is 200 -240 V
(volts),
15 A (amperes).
Make sure that power of capacity compatible
with the specified maximum power
consumption of the machine
(2.8 - 3.1 KVA) is being supplied.
YES Cause Is the Power Saver button on?
Action The machine is in the Power Saver mode. Press
the Power Saver button on the Control Panel
to cancel the Power Saver mode.
Refer to Power Saver Mode on page 1-12.
If problem is not solved, go to next Cause/
Action.
Cause Is the Brightness Dial set too low?
Action Use the Brightness Dial to adjust display
brightness.
Refer to User Interface (UI) on page 1-5.
YES Cause Has a paper jam or document jam occurred?
Action For information on paper jams, refer to Paper
Jams on page 7-22.
If problem is not solved, go to next Cause/
Action.
Cause An error code displayed?
Action Refer to Error Codes on page 7-13.
YES Action Refer to Machine Troubleshooting on page 7-3.
YES Action Refer to Image Quality Problems on page 7-6.
YES Action Refer to Print Troubleshooting on page 7-10.