HP LaserJet II Serie Manual De Instrucciones página 261

HP 33440/HP 33449 COMBINED SERVICE MANUAL
Table 7-53. Signal Listing (continued)
Pln No. Color
.-N~e
'" ';"' -. ':::.. . . . .- ,._*"" <,..':.,...",,,...,
Descfiptitu ,":-- -:";. ~ -".:;:,,.'
Connmtor" J21~' (~~~ .-c~~~~t~r)--- : -~ -:-- =--'-- .,.;. ~:~ ., "" : .; ..---,.
J21O-O1 n/a + 24VA
+ 24VA Vdc
J21O-O2 n/a
TMODEO Test Mode Control Line O.
J21O-O3 n/a TMODE1 Test Mode Control Line 1
J21O-O4 n/a
DBDC DC voltage added to developing bias when Low.
J21O-O5 n/a -5V -5 Vdc
J21O-O6 n/a
DBAC AC voltage added to developing bias when Low.
J21O-O7 n/a GND
J21O-O8 n/a HV1ON High-Voltage (DC) applied to Primary Corona when
Low.
J21O-O9 n/a + 5V + 5Vdc
J21O-10 n/a HVTON High voltige (DC) applied to Transfer Corona when Low.
J21O-11 n/a + 3.2V + 3.2Vdc
J21O-12 n/a TPA Selects a test pattern to be printed with TPB and
TSTPTE.
J21O-13 n/a TSTPT Low when the TEST PRINT switch is pressed.
J21O-14 n/a TPB See TPA.
J21O-15 n/a RD~NH
Printer forced ready when Low.
J21O-16 n/a TSTPTE See TPA.
J21O-17 n/a
LPCK
Laser forced to operate at a power level seleded by
CSNT1 & CSNT2 when Low.
J21O-18 n/a CSNT1 her power selected with CSNT2.
J21O-19 n/a SCNON Smnner motor starts when L.
J21O-2O n/a CSNT2 See CSNT1.
7-97