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157
MAINTENANCE
2. SIMPLE TROUBLESHOOTING
Status Items to be Checked Countermeasure Reference
page
Copier
does not
start
Display
panel
does not
change
when
keys or
icons are
pressed
Is the power cord plug firmly inserted
in the outlet?
Are the front covers firmly closed?
Are the bypass feed unit cover and
the large-capacity feeder cover firmly
closed?
Is the exit cover firmly closed?
Is the copier in the Energy Saving
mode?
Is the ID code input? Is the ID code
correct?
Is a key copy counter used?
Is the “Warming up” message
displayed?
Does the password of administrator
input screen appear?
Is interrupt copying set?
Insert the power cord plug firmly.
Close the front covers properly.
Close the covers properly.
Close the exit cover properly.
Press the Energy Saver key to clear
the mode. (It takes a while until the
copier becomes ready.
Input the correct ID code.
If you are using a key copy counter,
insert it into the slot.
Wait until the copier becomes ready.
Password of administrator is required.
Ask your copier manager.
Press the INTERRUPT key to clear the
mode.
➜P 8
➜P 132,138
➜P 8
➜P 10,20
➜P 10,107
➜P 9,117
➜P 94,109
➜P 10,49
Copies
are not
clear
Is the original cover firmly closed?
Is the original cover or the glass dirty?
Is the transport belt of the automatic
document feeder dirty?
Are transparent sheets or double-
sided originals used?
Has the “Install new toner cartridge”
message appeared?
Is the image density set lighter than
standard?
Close the cover firmly to shut out any
outer light.
Clean the original cover with a cloth
moistened with a neutral detergent or
the original glass with cleaning liquid.
Then, wipe off completely with a dry
cloth.
Clean the transport belt with a cloth
moistened with a neutral detergent.
Then, wipe the detergent completely
off with a dry cloth.
The original is transparent and the
paper colour or the other side of the
original shows through. Set the
background lighter.
Install a new toner cartridge.
Set the copy density properly in the
manual density mode.
➜P 58
➜P 136
➜P 36
Copy
density
is too
light