Lexmark T430 Service Manual - Page 68

Disconnects on the controller card

Page 68 highlights

4048-1xx Disconnects on the controller card Always print a page from each paper source following a repair action. The following table is an aid to find a problem with a cable connection. Error or message Condition if cable is required to unplugged obtain error No backlight and no text on the operator panel No backlight, no text on operator panel, and 5 beeps POST. No power delivered to controller card POST 914 917 924 929 931 935 936 940 Close Door Load MP Feeder POST POST POST Print multiple pages POST POST POST POST POST Pick paper from MPF Check connection at: Connector name and description J17 LVPS (low voltage power supply) J5 OP-PANEL (operator panel) Go to "Dead machine service check" on page 2-39 (second note). J6 EXIT MOTOR (redrive motor) J19 HVPS (high voltage power supply and fan) J18 THERM (thermistor and smart chip) J12 MPF SENSOR (multipurpose feeder sensor and toner sensor) J3 LSU (laser printhead) J1 MMTR (mirror motor) J10 MAIN MOTOR (transport motor) J13 LVPS (low voltage power supply control) J2 CO (cover open switch) J9 MPF (multipurpose feeder solenoid) 2-34 Service Manual

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2-34
Service Manual
4048-1
xx
Disconnects on the controller card
Always print a page from each paper source following a repair
action. The following table is an aid to find a problem with a cable
connection.
Error or message
if cable is
unplugged
Condition
required to
obtain error
Check
connection
at:
Connector name
and description
No backlight and
no text on the
operator panel
POST. No power
delivered to
controller card
J17
LVPS (low
voltage power
supply)
No backlight, no
text on operator
panel, and 5
beeps
POST
J5
OP-PANEL
(operator panel)
Go to
“Dead
machine service
check” on
page 2-39
(second note).
914
POST
J6
EXIT MOTOR
(redrive motor)
917
POST
J19
HVPS (high
voltage power
supply and fan)
924
POST
J18
THERM
(thermistor and
smart chip)
929
Print multiple
pages
J12
MPF SENSOR
(multipurpose
feeder sensor
and toner sensor)
931
POST
J3
LSU (laser
printhead)
935
POST
J1
MMTR (mirror
motor)
936
POST
J10
MAIN MOTOR
(transport motor)
940
POST
J13
LVPS (low
voltage power
supply control)
Close Door
POST
J2
CO (cover open
switch)
Load
MP
Feeder
Pick paper from
MPF
J9
MPF
(multipurpose
feeder solenoid)