Lexmark X850e Service Manual page 106

7500-XXX
Step Check
4 Check the sensor (pre-feed) for proper connection.
Is the above sensor connected properly?
5 Check the HCF feed unit cable assembly for proper
connection.
Is the above cable assembly connected properly?
6 Check the sensor (tray 5 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 5.
5. Touch Feed-out.
Pull the HCF unit assembly from the printer.
Open the HCF top door assembly.
Does the display on the screen change every time the
actuator on the above sensor operates?
7 Check the sensor (tray 5 feed-out) for proper
connection.
Is the above sensor connected properly?
8 Check the HCF feed lift motor for proper operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Tests.
4. Touch Tray 5 feed mtr.
Does the above motor operate properly?
9 Check the HCF feed lift motor for proper connection.
Is the above motor connected properly?
10 Check the HCF pick solenoid assembly for proper
operation.
Perform the HCF pick solenoid test.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Tests.
4. Touch HCF pick solenoid.
Does the HCF pick solenoid operate properly?
11 Check the HCF pick solenoid assembly for proper
connection.
Is the above component connected properly?
2-38
Options Service Manual
Yes No
Replace the sensor Replace the
(pre-feed). connection.
"HCF sensor
Go to
(pre-feed) removal"
on page 4-63.
Go to step 6. Replace the
connection.
Go to step 8. Go to step 7.
Replace the sensor Replace the
(tray 5 feed-out). connection.
"HCF sensor
Go to
(tray 5 feed-out)
removal" on
page 4-74.
Go to step 10. Go to step 9.
Replace the HCF Replace the
media feed lift motor. connection.
Go to step 12. Go to step 11.
Replace the HCF Replace the
pick solenoid. connection.
Go to "HCF pick
solenoid assembly
removal" on
page 4-62.