Xerox WorkCentre M20 Service Manual page 149

Test No. Test Items (Description)
THV SUPPLY 1301V (Not to be used dur-
ing service, manufacturing use only)
THV ADC READ
6 Auto TEST
Table 2 Sensor Description
Displayed name. Sensor name
CV CBF - harness; switch - micro
(Right hand cover interlock)
FD PBA sub feed and P.EMP sensor
(Feed sensor)
EX PBA sub exit sensor
(Exit sensor)
Work Centre M20 Family
Table 1 Test Map
Setting Description
ON Switches on 1301V to the THV
CHECK Reads and displays the THV ADC value. If the ADC
value is between 1 and 254 inclusive, this indicates
that the THV value is good. If the value is 0 or 255 the
display will read "Over The Range". This indicates
problems with the toner cartridge or drum cartridge or
their respective contacts
NEXT RIGHT KEY. Automatically starts test sequence at 2
second intervals. For actual components tested refer to
the following items.
ALL MOTOR CONTROL
FUSER MOTOR CONTROL
DEV MOTOR CONTROL
DUPLEX CONTROL
FCF PICKUP CONTROL
MP PICKUP CONTROL
PTL CONTROL
FAN CONTROL
FUSER CONTROL
LSU MOTOR CONTROL
LASER DIODE CONTROL
SENSOR DETECT CV / FD / EX / OB / FE / ME
MHV CONTROL
DEV CONTROL
THV NEG CONTROL
THV CONTROL
MHV ADC READ
THV ADC READ
TEST END
Parts list
PL 4.15 Item 20
PL 8.25 Item 12
(Actuator - PL 8.25 Item 25)
PL 4.15 Item 22
March 2004
6-5
Setting Description
Switches off the voltage to the THV
NEXT Go to the next test (MHV SUPPLY 1350V)
EXIT STOP KEY. Returns to the top level of Engine Test
Mode.
Table 2 Sensor Description
Displayed name. Sensor name
OB PBA sub bin full sensor
(Output bin sensor)
FE PBA sub feed and P.EMP sensor
(Tray 1 empty sensor)
ME PBA sub MP sensor
(Paper transport sensor)
Parts list
PL 10.10 Item 20
(Actuator - PL 10.10 Item 21)
PL 8.25 Item 12
(Actuator - PL 8.25 Item 7)
PL 8.20 Item 24
(Actuator - PL 8.20 Item 12)
General Procedures and Information
GP 1