Lexmark X342N Service Manual - Page 40

Disconnects on the controller card, Front Cover Open, Pls close cover, Load MP Feeder, Paper Empty

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Page 40 highlights

7003-XXX 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 Check connectio n at: Connector name and description No backlight and no text on the operator panel No backlight, no text on operator panel POST. No power J7 delivered to controller card POST J5 917 924.01 929 931 935 936 940 Front Cover Open Pls close cover Load MP Feeder Paper Empty Pls add paper 31.05 Missing or invalid print cartridge Unlock Scanner Scanner Lock POST POST Print multiple pages POST POST POST POST POST Pick paper from MPF Pick paper from tray 1 POST POST J19 J15 J18 J12 J11 J9 J13 J13 J101 J101 J14 J4 HVPS-LVPS (low voltage power supply) OP-PANEL (operator panel) Go to "Dead machine service check" on page 2-22. FAN TH1 (thermistor) MPF SENSOR (multipurpose feeder sensor and toner sensor) LSU (laser printhead) MMTR (mirror motor) MAIN MOTOR (transport motor) LVPS (low voltage power supply control) CO (cover open switch) SOL (multipurpose feeder solenoid) SOL (paperfeed solenoid) SC (smart chip) CCD 2-18 Service Manual manuals4you.com

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2-18
Service Manual
7003-XXX
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
connectio
n at:
Connector name and description
No backlight and
no text on the
operator panel
POST. No power
delivered to
controller card
J7
HVPS-LVPS (low voltage power supply)
No backlight, no
text on operator
panel
POST
J5
OP-PANEL (operator panel)
Go to
“Dead machine service check” on
page 2-22
.
917
POST
J19
FAN
924.01
POST
J15
TH1 (thermistor)
929
Print multiple
pages
J18
MPF SENSOR (multipurpose feeder sensor and
toner sensor)
931
POST
J12
LSU (laser printhead)
935
POST
J11
MMTR (mirror motor)
936
POST
J9
MAIN MOTOR (transport motor)
940
POST
J13
LVPS (low voltage power supply control)
Front Cover Open
Pls close cover
POST
J13
CO (cover open switch)
Load MP Feeder
Pick paper from
MPF
J101
SOL (multipurpose feeder solenoid)
Paper Empty
Pls add paper
Pick paper from
tray 1
J101
SOL (paperfeed solenoid)
31.05 Missing or
invalid print
cartridge
POST
J14
SC (smart chip)
Unlock Scanner
Scanner Lock
POST
J4
CCD
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