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Pin
In/Out
Signal name
52
—
—
53
—
—
54
O
PR
55
—
AV
DD
56
—
AV
REF
57
O
HL
58
O
CFM2
59
O
DL
60
O
CLR
61
O
THV
62
O
MHV
63
I
KI1
64
I
KI0
• Sensor input matrix (Connected to 45 pin)
Select signal
Signal name
A
CS2
B
CS1
D
POD
• Density select signal table
Light
Normal
EXN
L
EXD
L
• Drum counter
Z-87/85III
CS1
8K
CS2
9K
•
Alarm display at CSW1 ON.
The machine stops at CSW2 ON.
Not used
Not used
Power relay control signal, ON at H (+5V)
+5V for analog port
Heater lamp control signal
Fuser cooling fan control signal
Discharge lamp control signal
Copy lamp control signal
Transfer corona control signal, ON at H (+5V)
Main corona control signal, ON at H (+5V)
Key input section
Description
Drum counter switch
Paper out sense signal
Dark
H
L
L
H
Content
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