2-30
Confidential
Registration Registration failed. 
Insufficient Toner 
for Registration.
Dot counter or develop roller 
counter of color toner has 
reached the upper limit during 
auto color registration 
performed from the control 
panel.
9A02 2-78
Registration failed. 
Press Go.
Dot counter or develop roller 
counter of color toner has 
reached the upper limit during 
auto color registration 
performed from the control 
panel.
9902 2-76
An error occurred during patch 
data printing in manual color 
registration performed from the 
control panel.
9903 2-77
An error occurred during patch 
data printing in auto color 
registration performed from the 
control panel.
9A03 2-79
Registration failed. 
Turn the power off 
and then back on 
again.
An error occurred with the value 
measured during auto color 
registration performed from the 
control panel.
9A01 2-78
An error occurred with the value 
measured during manual color 
registration performed from the 
control panel.
9901 2-76
Replace Belt -
Number of pages printed with 
the belt unit has reached the 
upper limit.
4400 2-58
Replace 
Drum: BK
-
Number of the black drum unit 
rotations has reached the upper 
limit.
4201 2-57
Replace 
Drum: C
-
Number of the cyan drum unit 
rotations has reached the upper 
limit.
4204 2-57
Replace 
Drum: M
-
Number of the magenta drum 
unit rotations has reached the 
upper limit.
4203 2-57
Replace 
Drum: Y
-
Number of the yellow drum unit 
rotations has reached the upper 
limit.
4202 2-57
Replace 
Fuser
-
Number of used pages for the 
fuser unit has reached the 
upper limit.
4500 2-58
Error message
Description
Error 
codes
Refer 
to:
First line Second line