Lvps Cooling Fan Failure; Sensor (Exit 1 Media Shift Hp) Failure - Lexmark X850e Service Manual

7500-XXX

917.00 LVPS cooling fan failure

Step
1 Check the LVPS cooling fan for proper installation.
Is the LVPS cooling fan installed properly?
2 Visually check the LVPS cooling fan for rotation.
Is the LVPS cooling fan visually rotating?
3 Check the LVPS cooling fan connection.
Is the LVPS cooling fan connected properly?
4 Perform a print test.
Does the error remains?

918.00 Sensor (exit 1 media shift HP) failure

Step
1 Check the sensor (exit 1 media shift HP) for operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TEST.
3. Touch Media Path.
4. Touch Exit1 shift HP.
Move the shift assembly, with your finger, in a side to side
motion.
Does the display, on the operator panel, change every time
the sensing area is blocked?
2 Check the sensor (exit 1 media shift HP) for connection.
Is the sensor (exit 1 media shift HP) connected?
3 Check the media shift motor for operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Exit1 shift motor.
Note: A continuous operation check is allowed up to twice
for each direction.
Does the motor operate normally?
2-158
MFP Service Manual
Check
Check
Yes
Go to step 2. Install the LVPS
cooling fan
properly.
Go to step 3. Go to step 4.
Replace the LVPS Replace the
cooling fan. connection.
Go to "LVPS
cooling fan
removal" on
page 4-121.
Replace the LVPS Problem solved.
card assembly.
Go to "LVPS card
assembly
removal" on
page 4-119.
Yes
Go to step 3. Go to step 2.
Replace the Replace the
sensor (exit 1 connection.
media shift HP).
Go to "Exit 1
media shift
assembly
removal" on
page 4-105.
Go to step 5. Go to step 4.
No
No