Epson EPL-N4000 - Page 257

EPSON EPL-N4000/EPL-N4000+ Chapter 7 Appendix
Rev.B 243
Figure 7-14. Toner Sensor
↔
Xerographic CRU
↔
MCU PWB
Table 7-12. Signal Name
Figure 7-15. HVPS M
↔
CU PWB
Table 7-13. Signal Name
Signal Name Description
CRUM$PWR Switches CRUM power.
CRU$CLK Clock si
g
nal for CRU Memor
y
CRU$DATA CRU Memor
y
data
TNR#EMP Monitor toner quantit
y
in the ET Cartrid
g
e. Low=Quantit
y
is low. Hii
g
h=Enou
g
h quantit
y
.
Signal Name Description
BTR#MON Monitors BTR current level
BTR$SEL Switches BTR volta
g
e. Hi
g
h=Positive volta
g
e.
Low=Ne
g
ative volta
g
e
BTR$RMT Controls the current value to the BTR
DTS$ON Switches Detack Saw and Chute Bias volta
g
e. Hi
g
h=Off.
Low=On
BCRAC$CLK Controls the AC volta
g
e value to the BCR. Ne
g
ative lo
g
ic
BCRDC$ON Switches BCR volta
g
e. Hi
g
h=Off. Low=On
DBAC$CLK Controls the AC volta
g
e value to the Ma
g
net Roll.
Ne
g
ative lo
g
ic
DB$ON Switches DB volta
g
e. Ne
g
ative lo
g
ic