344
11.MAINTENANCE
2.Simple Troubleshooting (Cont.)
11
Display does not change when buttons or icons are pressed
Functions cannot be set
Image density is too low
Item to be checked Countermeasure Reference page
Is the equipment in the energy
saving mode (Automatic energy
saving mode)?
Press the [ENERGY SAVER] or
[START] button on the control
panel to clear the mode. (It
takes a while for the equipment
to become ready.)
P.42 “3.Energy Saving Mode”
Is the power OFF because the
weekly timer functions?
Press the [START] button to
return the power ON.
See the [User Function Guide]
When the use of the equipment
is managed under department
management, is the correct
code entered?
Key in the correct department
code.
P.35 “When department or user
management is used”
When the use of the equipment
is managed under user man-
agement, is the correct informa-
tion entered?
Enter the user information cor-
rectly.
P.35 “When department or user
management is used”
Is the “Warming up” message
displayed?
Wait until the equipment
becomes ready.
P.34 “Turning power on”
Item to be checked Countermeasure Reference page
Are there functions that cannot
be combined set together?
See the copying function combi-
nation and image quality adjust-
ment combination matrices, and
then set them again.
P.359 “4.Copying Function
Combination Matrix”, P.361
“5.Image Quality Adjustment Com-
bination Matrix”
Item to be checked Countermeasure Reference page
Is the message to replace the
toner cartridge displayed on the
touch panel?
Replace the toner cartridge. P.276 “3.Replace Toner Car-
tridge Symbol”
Is the level of the colour adjust-
ment set suitably?
Use the manual density buttons
or the background adjustment
function to adjust the image
density properly.
P.121 “7.Copy Density Adjust-
ment”, P.127 “4.Background
Adjustment”
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