Lexmark C78x User Manual

Diagnostic information 2-137
5061
63 Unformatted disk • Press
to clear the message and continue printing.
• Format the disk.
If the error message remains, the hard disk may be defective and require
replacing.
82 Waste toner box
nearly full
Press
to clear the message and continue printing.
82 Replace Waste
toner box
• Replace the waste toner box.
•Press
to clear the message and continue printing.
82 Waste toner box
missing
Install the waste toner box, and press
to clear the message and continue printing.
83.xx
ITU Missing
83.03 ITU Missing and 83.05 ITU Missing—indicate the ITU release lever was
disengaged before POR.
83.02 ITU Missing and 83.07 ITU Missing—indicates the ITU release lever was
disengaged when the printer is on.
Check the ITU release lever for correct operation. The ITU release lever is the black
lever located on the left upper side frame above the ITU opening and can be seen by
opening and lowering the MPF assembly. When locked, the lever should be at the 6
o'clock position. When unlocked, it should be in a 3 o'clock position. Undue pressure
is not required to operate the lever.
Turn the printer off, insert the ITU, move the lever to the 6 o'clock position, and turn
the printer back on.
If this does not resolve, replace the ITU assembly. See “ITU assembly removal” on
page 4-49.
Press
to continue. The message persists until replacement.
83 ITU life warning • Press
to clear the message and continue printing.
• If print quality is unacceptable, replace the ITU assembly. See “ITU assembly
removal” on page 4-49.
83 Replace ITU • Press
to clear the message and continue printing.
• If print quality is unacceptable, replace the ITU assembly. See “ITU assembly
removal” on page 4-49.
87 Fuser life warning • Press
to clear the message and continue printing.
• If print quality is unacceptable, replace the fuser. See “Fuser assembly
removal” on page 4-44.
87 Fuser missing Install the fuser unit. See “Fuser assembly removal” on page 4-44.
87 Replace Fuser • Press
to clear the message and continue printing.
• If print quality is unacceptable, replace the fuser. See “Fuser assembly
removal” on page 4-44.
88 <color> cartridge
low
• Replace the specified toner cartridge.
•Press
to clear the message and continue printing.
User attendance messages (continued)
User primary
message
Explanation

Lexmark C78x Specifications

General

Brand	Lexmark
Model	C78x
Category	Printer
Language	English