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Xerox DocuPrint N17 Service Manual
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Wiring Data
10. MCU
↔
LDD AND SCANNER MOTOR
Signal Name
Description
/P. DATA
Print Image Data (Black dot: LOW level, White dot: HIGH level)
MO
Signal for monitoring the electric current of the LD (Analog signal)
VL2
Sets the drive voltage for the LD (Analog signal)
VL1
Sets the drive voltage for the LD (Analog signal)
5V-LD
Refer to “5. MCU
↔
HVPS”
/SCAN MOT ON
Signal for switching on and off the Scanner Motor (LOW level when switch-
ing on and HIGH level when switching off)
SPI 1
Resolution switching signal 1 (600 dpi: High level)
SPI 2
Resolution switching signal 2 (600 dpi: High level)
P18
P11X
Signal Name
Signal Direction
M: MCU
L: LDD
S: SCANNER
Trigger
HIGH
Level
LOW
Level
Note
7
P112-7
/P. DATA
M
→
L
Level
TTL
TTL
9
P112-5
MO
M
←
L
-
*
*
0.85 V (*1)
10
P112-4
VL2
M
→
L
-
*
*
0 - 3.5 V (*1)
11
P112-3
VL1
M
→
L
-
*
*
0 - 3.5 V (*1)
14
P112-1
5V-LD
M
→
L
-
5V
0V
4
P114-3
/SCN MOT ON
M
→
S
Level
TTL
TTL
2
P114-5
SPI 1
M
→
S
Level
TTL
TTL
Set to High
1
P114-6
SPI 2
M
→
S
Level
TTL
TTL
Set to High
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