Main Drive Gear Assembly (Ep Drive) Service Check - Lexmark X548 Series Service Manual

7525-63x
Step Questions / actions
Turn the printer off, and remove the rear
3
shield. See
"Rear shield removal" on
page 4-7.
Is the JSP1 cable connector properly
connected to the RIP board?
Turn the printer on, and check the voltage at
4
JSP1 pin 15.
Is the voltage approximately +5 V dc?

Main drive gear assembly (EP drive) service check

Step Questions / actions
Turn the printer off, and remove the rear
1
shield. See
"Rear shield removal" on
4-7. Check the cable at JCARTB1 for
page
proper connection to the RIP board, the cable
for pinch points, and the cable or connector for
any other damage.
Is the cable damaged?
Disconnect the cable at JCARTB1 on the RIP
2
board, and verify the following values.
Pin
4
6
8
9
12
13
15
17
Are the voltages correct?
Replace the main drive assembly. See
3
drive gear assembly with motor removal"
on page 4-57.
Does the error clear?
Service Manual
2-40
JCARTB1
Value
+24 V dc
+24 V dc
+24 V dc
Ground
Ground
+24 V dc
+24 V dc
+24 V dc
"Main
Yes
Go to step 4.
Replace the
autocompensator
mechanism. Go to
"Autocompensator
mechanism (ACM)—
standard tray removal" on
page 4-13.
Yes
Replace the JCARTB1
cable.
Go to step 3.
Problem resolved.
No
Reseat the connector.
Replace the RIP board.
See
"RIP board removal"
on page 4-19.
No
Go to step 2.
Replace the RIP board. See
"RIP board removal" on
page 4-19.
Replace the RIP board. See
"RIP board removal" on
page 4-19.
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