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5.2.3
PM Display Contents
When the counter value exceeds the setting value, the equipment notifies you of when the
maintenance time has come by displaying the message "Time for periodic maintenance ****" on the
control panel LCD. "****" in the message is a 4-digit hexadecimal number code. This number is
allocated in the following manner, therefore the parts needing maintenance can be identified.
PM parts of the process unit (K)
PM parts of the process unit (Y)
PM parts of the process unit (M)
PM parts of the process unit (C)
Developer material (K)
Developer material (Y)
Developer material (M)
Developer material (C)
Parts other than the PM parts of the process unit
If multiple parts have reached the maintenance time, the sum of the corresponding code values listed
above is displayed in hexadecimal numbers.
For example, if the PM parts of the process units (K) and (C) and the developer materials (K) and (C)
reach the maintenance time, the 4-digit hexadecimal number code will be "00CC" in hexadecimal
numbers: 0008+0004+0080+0040=00CC.
4th digit
3rd digit
None
Part (transfer roller)
Hexadecimal
number code
"0"
0
Always
1
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2nd digit
Developer material
Hexadecimal
Explanation
number code
No
0
maintenance
required
Maintenance
1
required
2
3
4
5
6
7
8
9
A
B
C
D
E
F
5 - 3
: 0008
: 0001
: 0002
: 0004
: 0080
: 0010
: 0020
: 0040
: 0100
Photoconductive drum
Hexadecimal
Explanation
number code
No
0
maintenance
required
Y
1
M
2
M+Y
3
C
4
Y+C
5
C+M
6
Y+M+C
7
K
8
9
K+Y
K+M
A
K+M+Y
B
K+C
C
K+Y+C
D
K+C+M
E
K+Y+M+C
F
e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
PREVENTIVE MAINTENANCE (PM)
1st digit
Explanation
No
maintenance
required
Y
M
M+Y
C
Y+C
C+M
Y+M+C
K
K+Y
K+M
K+M+Y
K+C
K+Y+C
K+C+M
K+Y+M+C
5
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