PROBLEMS RELATED TO MACHINE OPERATION
Problem Point to check Solution
Specified machine 
functions cannot be 
used.
Have functions been disabled by the 
administrator?
Check with your administrator.
Some functions may have been disabled in the system 
settings (administrator). Check with your administrator.
When user authentication is enabled, the functions that 
you can use and page counts may be restricted in your 
user settings.
The operation panel 
cannot be used.
Is the main power indicator lit? If the main power indicator is not lit, turn on the 
power.
Make sure that the power plug is firmly inserted in the 
power outlet, switch the main power switch to the "on" 
position, and press the [POWER] key ( ) to turn on 
the power.
Did you just power on the machine? Wait until a message appears indicating that the 
machine is ready.
After the [POWER] key ( ) is turned on, the machine 
requires some time to complete warmup operation.
During this time functions can be selected, however, a 
job cannot be run.
Is the [POWER SAVE] key ( ) 
blinking?
Press the [POWER SAVE] key ( ) to turn off Auto 
Power Shut off mode.
+ 1. BEFORE USING THE MACHINE "[POWER 
SAVE] KEY" (page 1-16)
Is a cover open or a device separated 
from the machine?
Read the message and take appropriate action.
A warning message will appear when a cover is open or 
a device is separated from the machine.
Did login fail three times in a row? Log in using the correct user information.
When "A Warning when Login Fails" is enabled in the 
system settings (administrator) and login fails 3 times in 
a row, a warning will be displayed and operation will 
lock for 5 minutes. After operation unlocks, log in using 
the correct user information. (If you do not know your 
user information, contact your administrator.)
Does a message appear indicating that 
Auto Login failed?
Contact your administrator.
Auto Login failed due to a problem on the network.
If you are the administrator, touch the [Admin Password] 
key, log in as an administrator, and temporarily change 
the auto login settings in the system settings 
(administrator). (Restore the changed settings to their 
original state after the network problem has been 
solved.)
The operation panel 
cannot be used.
Does the message "Call for service. 
Code:xx-xx*." appear in the touch 
panel?
*Letters and numbers appear in xx-xx.
Switch the power off and then restart the machine.
Make sure that the LINE indicator is not lit and that the 
DATA indicator is not blinking or lit and then switch off 
the [POWER] key ( ) and the main power switch. 
Wait at least 10 seconds and then switch the main 
power switch and the [POWER] key ( ) back on in 
that order.
If the message still appears after switching the 
[POWER] key ( ) and main power switch off and on 
several times, it is likely that a failure has occurred that 
requires service. In this event, stop using the machine, 
unplug the power plug, and contact your dealer or 
nearest SHARP Service Department. (When contacting 
your dealer or nearest SHARP Service Department, 
inform them of the displayed error code.)