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Xerox DocuPrint N17 Service Manual
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Wiring Data
3. LVPS
↔
MBF NO PAPER SENSOR, REGISTRATION SENSOR, AND TONER EMPTY SENSOR
Signal Name
Description
NO PAP MBF
Signal for detecting the presence or absence of paper on the MBF
(LOW level when paper is present and HIGH level when paper is not
present)
REGI SNR
Signal for detecting the arrival of paper at the Registration Sensor in
the P/H section (LOW level when paper is at the sensor, and HIGH
level when no paper is at the sensor)
TONER SNR
Signal for monitoring the toner level in the CRU (LOW level when the
toner is available, and HIGH level when the Cartridge is empty)
P12X P13
Signal Name
Signal Direction
S:SNR
L:LVPS
Trigger
HIGH
Level
LOW
Level
P122-1 3
NO PAP MBF
S
→
L
Level
TTL
TTL
P123-1 6
REGI SNR
S
→
L
Level
TTL
TTL
P128-1 8
TONER SRN
S
→
L
Level
TTL
TTL
P11 P13
Signal Name
Signal Direction
L: LVPS
M: MCU
Trigger
HIGH
Level
LOW
Level
11
11
/NO PAPER
MBF
L
→
M
Level
TTL
TTL
12
12
/REGI SNR
L
→
M
Level
TTL
TTL
13
13
TONER SNR
L
→
M
Level
TTL
TLL
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