Konica Minolta magicolor 4750EN User Manual

Solving Problems with Printing Quality 9-34
Image 
defects.The laser lens is dirty. Clean the laser lens.
A toner cartridge may 
be leaking.Remove the toner cartridges and 
check them for damage. If one is dam-
aged, replace it.
A imaging unit may 
be defective.Remove the imaging unit with the color 
causing the abnormal image.
Replace it with a new imaging unit.
Lateral lines 
or bands 
appear on 
image.The printer is not 
level.Place the printer on a flat, hard, level 
surface.
The media path is 
dirty...

Solving Problems with Printing Quality9-35
If the problem is not resolved, even after all of the above have been per-
formed, contact Technical Support with the error information.
For contact information, refer to the Need Assistance Sheet. The color 
has a poor 
reproduction 
or has poor 
color density.One or more of the 
imaging units may be 
defective.Remove the imaging units and check 
them for damage. If one is damaged, 
replace it. Symptom Cause Solution
Downloaded From ManualsPrinter.com Manuals 

Status, Error, and Service Messages 9-36
Status, Error, and Service Messages
Status, error, and service messages are displayed in the control panel mes-
sage window. They provide information about your printer and help you locate 
many problems. When the condition associated with a displayed message 
has changed, the message is cleared from the window.
Standard Status Messages
This message... means... do this...
CALIBRATINGAfter replacing a toner car-
tridge or a imaging unit, or 
after rebooting your...

Status, Error, and Service Messages9-37 Error Messages (Warning: )
“I-UNIT” in a message refers to the imaging unit.
REBOOTINGThe printer is being 
restarted.No action needed.
WARMING UPThe printer is warming up.
OFFLINEThe printer is offline. To print on a 
network, change 
the 
TELNET 
setting so it is 
online.
This message... means... do this...
AUTH TIMEOUTThe user is automati-
cally logged off due to 
IEEE802.1X port 
authentication.Reauthorize the 
IEEE802.1X port, and 
then log on.
FUSER UNIT
END...

Status, Error, and Service Messages 9-38
INCORRECT
MEMORY CARDSince the 
CompactFlash card 
was formatted with a 
different machine, the 
CompactFlash card 
could not be used.Replace the 
CompactFlash card with 
one compatible with this 
machine, or select 
CARD FORMAT from 
SYS DEFAULT MENU 
and format the 
CompactFlash card.
INCORRECT
I-UNIT 
X
The X imaging unit is 
an unapproved type.Install a KONICA 
MINOLTA imaging unit 
of the appropriate type 
(AM, EU, AP or GC). 
See page 7-12.
INCORRECT
TONER...

Status, Error, and Service Messages9-39
MEMORY CARD
NEAR FULLThe CompactFlash 
card is nearly full.Delete resources (fonts, 
forms, etc.) which saved 
on the CompactFlash 
card by using Download 
Manager or PSWC.
NON SUPPORT
CARDSince incompatible 
CompactFlash card 
was inserted into the 
memory slot, the 
CompactFlash card 
could not be used.Use CompactFlash card 
compatible with this 
printer.
PAPER EMPTY 
TRAY 
X
Tray X (Tray 1, 2 or 3) 
is empty.
(Appears when 
SYS 
DEFAULT MENU/
ENABLE WARN-...

Status, Error, and Service Messages 9-40
TRANS. BELT
END OF LIFEThe transfer belt unit 
has reached the end 
of its life.Replace the transfer belt 
unit and reset the 
counter in the 
MAINTE-
NANCE MENU/SUP-
PLIES/REPLACE/
TRANS. BELT
 menu.
Printing can 
continue, 
however, the 
printing result are 
not guaranteed.
TRANS.ROLLER 
END OF LIFEThe transfer roller has 
reached the end of its 
life.Replace the transfer 
roller and reset the 
counter in the 
MAINTE-
NANCE MENU/SUP-
PLIES/REPLACE/
TRANS....

Status, Error, and Service Messages9-41 Error Messages (Operator Call: )
This message... means... do this...
COVER OPEN 
FRONT COVERThe printer’s front 
cover is open.Close the front cover.
COVER OPEN 
SIDE COVERThe printer’s right 
side cover is open.Close the right side 
cover.
COVER OPEN
TRAY3 COVERThe right side cover 
of Tray 3 is open.Close the right side 
cover of the tray.
HOLD JOB ERROR
UNABLE TO 
STORE JOBThe specified print job 
saved on the hard 
disk is sent while the 
hard disk is not...

Status, Error, and Service Messages 9-42
PAPER EMPTY
“SIZE”
“MEDIA”The specified tray is 
empty. (Appears 
when 
PAPER 
MENU/PAPER 
SOURCE/TRAY 
CHAINING ON
 is 
set.)Load the correct media 
into the specified tray.
PAPER ERROR
“SIZE”
“MEDIA”The media size/type 
set in the printer 
driver is different from 
the size/type of media 
loaded (Appears 
when 
PAPER 
MENU/PAPER 
SOURCE/TRAY 
CHAINING ON
 is 
set.)Load the correct media 
size and type.
PAPER JAM
DUPLEX1Media has misfed in 
the duplex.Press the...

Status, Error, and Service Messages9-43
PAPER JAM
FUSER/EXITMedia has misfed 
leaving the fuser 
area.Press the   key to dis-
play the help screen. 
Follow the instructions in 
the help screen to 
remove misfed media.
The enclosed toner 
cartridges and imag-
ing units are not 
installed.Be sure to install the 
enclosed toner car-
tridges and imaging 
units.
I-UNIT END
REPLACE
X
The X Imaging unit 
has completely 
reached the end of its 
life.Replace the Imaging 
unit.
I-UNIT MISSING
CHECK
 X
The X...