HP LaserJet II Serie Manual De Instrucciones página 262

HP 33440/HP 33449 COMBINED SERVICE MANUAL
Table 7-53. Signal Listing (continued)
J211-01
Enables the Transfer Corona circuitry (+18 Vdc disabled,
OVdc enabled).
High-voltage reset.
Enables the Primary Corona circuitry (+18 Vdc disabled,
OVdc enabled).
Enables the developer ac bim circuitry (+18 Vdc
disabled, OVdc enabled).
J211-02
J211-03
Pink I~ST
T
J211-04
*
Yellow TSENS J211-05 Toner Sensor level provides a voltage level to the DC
ControHer representative of the amount of toner present
in the EP-S Cartridge.
Enables the developer dc bias circuitry (+18 Vdc
disabled, OVdc enabled).
J211-06
J211-07
Blue GND
J211-08 Red +24 Vdc
J212-01
J212-02
J212-03
J212-04
J212-05
J212-06
*
Blue
GND
Blue
GND
Brown
+ 5V
+5
Vdc
+5
Vdc
–5
Vdc
Violet RESET Initializes the microprocessors on the DC Controller
PCA.
T
J212-07
Enables the +24 Vdc power supplies on the DC Power
Supply/Main Motor Driver PCA. Signal may only be
observed with an oscilloscope.
J212-08 Pink 1A Main Motor Drive signal.
J212-09
Main Motor Drive signal.
J212-10 Yellow IB
Main Motor Drive signal.
J212-11 White
B Main Motor Drive sign~.
J212-12 Blue GND
J212-13
Pink I +24VB + 24B Vdc
J212-14 Red + 24VA
+24A
Vdc