Troubleshooting - NEC ViVid Office 2020 Quick Reference Manual

Troubleshooting

If trouble develops with the NEC ViVid Office 2020, follow the appropriate instructions described in this section. If
these measures fail to resolve the problem, contact your dealer's service center.
During the Stand-by Mode
Condition
Touch panel is blank.
Start key does not light
blue.
Power cannot be turned
on.
Copying
Condition
The document is not
scanned.
Unit cuts off during a copy
procedure.
Copies are blank.
Cause
Power plug at wall outlet is disconnected.
Power switch is off.
Auxiliary power switch is off.
Touch panel does not light.
The thermostat inside the unit has acti-
vated due to excessive heat within the
product, or electrical interference due to
thunderstorms, etc.
The panel contrast is set too dark.
The account has not been selected (when
the Account Management mode is acti-
vated).
Power cord is disconnected from wall out-
let.
The circuit breaker supplying power to the
wall outlet is tripped.
Slow reduction in voltage.
Power failure occurs.
Cause
The document is too thick.
The document is too thin, or too small.
Document scanning area is dirty.
The wall outlet cannot supply the rated
power for this machine.
The document is placed face down (for the
ADF).
Countermeasure
Connect the power cord at the wall outlet.
Turn on the power switch.
Turn on the auxiliary power switch.
Press any key on the panel. The back-
light off period can be adjusted to turn off
the Touch Panel LCD.
Turn off the power switch and wait a few
minutes to restore power.
Adjust the panel contrast setting.
Select an account.
Connect the power cord at the wall outlet.
Reset the circuit breaker.
Turn off the power switch and wait a few
minutes before restoring power.
Countermeasure
Use book scanner to copy.
Use book scanner to copy.
Clean the document scanning area.
Be sure to use a wall outlet whose power
rating is suitable for this machine.
Electrical installation work is required if a
suitable wall outlet is not available.
Place the document face up and retry
copying.
5-16
Ref. Page
1-6
Operation
Manual
(Copy)
1-22
Ref. Page
2-3
2-3
4-13
1-25