Xerox 8830 Service Manual page 323

6.2 IMAGING (LEFT SIDE) 2 OF 2)
REFER TO THE CONTROLLER (ESS)
SERVICE MANUAL TO SERVICE THE
CONTROLLER PWB.
DC COMMON PIN NUMBERS FOR THE
RS422 CABLE ARE PINS 1,3, 5 , 7 , 0 , 1 1 ,
13,15, 17. 19, AND 20.
IMAGING (RIGHT SIDE) DIAGNOSTIC CODES
[0921] ESV MANUAL SETUP:
[5]. RUNS THE LED BAR DUTY CYCLE SETUP. THIS
ESTABLISHES THE PRINT DENSITY BASELINE
THIS TEST IS NOT DISABLED WHEN THE
INTERLOCKS ARE BROKEN.
INPUT POWER BLOCK
VOLTAGE TEST POINT
+5 VDC (BULK) SUPPLY (PS3) +V
DC COM SUPPLY (PS3) -V
8830
LED DRIVER PWB (A29)
AND A29P4 / A29CN4
UNDER A30J1)
GF
1.2
1.2
(LOCATED
VIEW: TOP COVER OPEN
(LOOKING DOWN AT PRINT HEAD)
1/98
7-39
07013
Chain 6 Imaging