2-34
Service Manual
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
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)
Summary of Contents for T 430
Page 14: ...xiv Service Manual 4048 1xx Japanese Laser Notice Chinese Laser Notice ...
Page 15: ...Laser notices xv 4048 1xx Korean Laser Notice ...
Page 16: ...xvi Service Manual 4048 1xx ...
Page 21: ...Safety information xxi 4048 1xx ...
Page 34: ...1 12 Service Manual 4048 1xx ...
Page 122: ...3 28 Service Manual 4048 1xx ...
Page 143: ...Repair information 4 21 4048 1xx 8 Disconnect the cable from the operator panel card ...
Page 202: ...4 80 Service Manual 4048 1xx 8 Remove the bellcrank while holding the link guide ...
Page 205: ...Locations and connections 5 1 4048 1xx 5 Locations and connections Exterior locations ...
Page 216: ...6 4 Service Manual 4048 1xx ...
Page 218: ...7 2 Service Manual 4048 1xx Assembly 1 Covers ...
Page 220: ...7 4 Service Manual 4048 1xx Assembly 2 Paper feed ...
Page 222: ...7 6 Service Manual 4048 1xx Assembly 3 Frame ...
Page 226: ...7 10 Service Manual 4048 1xx Assembly 6 Charging ...
Page 228: ...7 12 Service Manual 4048 1xx Assembly 7 Electronics and cables 1 ...
Page 230: ...7 14 Service Manual 4048 1xx Assembly 8 Electronics and cables 2 ...
Page 232: ...7 16 Service Manual 4048 1xx Assembly 8 cont Electronics and cables II ...
Page 234: ...7 18 Service Manual 4048 1xx Assembly 9 Sensors ...
Page 236: ...7 20 Service Manual 4048 1xx Assembly 10 Options 1 2 3 4 ...
Page 249: ......