Lexmark X 850 Owners Manual

Diagnostic information2-43
7500-XXX
202.00 Sensor (fuser exit) off jam 
8 Check the registration clutch connection.
Is the registration clutch properly connected?Replace the 
registration clutch. 
Go to 
“Registration 
clutch assembly 
removal” on 
page 4-80.Replace the 
connection.
9 Perform a print test.
Does the error continue?Replace the 
printer engine card 
assembly.
Go to “Printer 
engine card 
assembly 
removal” on 
page 4-117Problem solved.
Step Check Yes No
1 Check the media position.
Open the...

2-44MFP Service Manual 7500-XXX
202.01 Sensor (fuser exit) off (too short) jam   
Step Check Yes No
1 Check the media position.
Open the printer left door assembly and visually check it.
Does the media touch the sensor (fuser exit)?Remove the 
media.Go to step 2.
2 Check the fuser unit assembly for a media jam.
Open the printer left door assembly and check it.
Is there a media jam in the fuser unit assembly?Remove the 
media.Go to step 3.
3 Check the fuser unit assembly for proper installation. 
Open the...

Diagnostic information2-45
7500-XXX
202.02 Sensor (fuser exit) static jam 
203.00 Sensor (exit 2) on jam
Step Check Yes No
1 Check the media position.
Open the printer left door assembly and visually check it.
Does the media touch the sensor (fuser exit).
Open the printer left door assembly and visually check it.?Remove the 
media.Go to step 2.
2 Check the sensor (fuser exit) for operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TEST.
3. Touch Media Path.
4. Touch Fuser exit.
Open the...

2-46MFP Service Manual 7500-XXX
4Check the drive power transmission.
Does the exit 1 media exit roll assembly and the other 
gears rotate smoothly?Go to step 5.Replace damaged 
components.
Go to “Exit 1 media 
shift assembly 
removal” on 
page 4-105.‘
5Check the sensor (fuser exit) for operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TEST.
3. Touch Media Path.
4. Touch Fuser exit.
Open the printer left door assembly and check it.
Caution: The area around the actuator is very hot. 
Allow the...

Diagnostic information2-47
7500-XXX
203.01 Sensor (exit 2) off jam
11Check the media diverter solenoid for proper operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Diverter solenoid.
Open the printer left door assembly.
Does the above component operate normally?Go to step 13.Go to step 12.
12Check the media diverter solenoid for proper 
connection.
Is the above component connect properly?Replace the media 
diverter solenoid.
Go to “Exit 2 media...

2-48MFP Service Manual 7500-XXX
5Check the drive power transmission.
Do the exit 2 media exit roll assembly and the other 
gears rotate smoothly?Go to step 6.Replace damaged 
parts.
Go to “Exit 2 unit 
assembly removal” 
on page 4-315.
6Check the sensor (exit 2) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TEST.
3. Touch Media Path.
4. Touch Exit2.
Open the printer left door assembly and the exit 2 left 
door assembly.
Does the display on the operator panel change every 
time...

Diagnostic information2-49
7500-XXX
203.02 Sensor (exit 2) on jam in standard bin or finisher
StepCheckYe sNo
1Check the position of the media diverter solenoid.
Is the media diverter gate facing toward exit 1?Go to step 2.Go to step 3.
2Check the media diverter gate for an obstruction.
Is the media diverter gate free of any debris or 
obstructions?Remove any 
obstructions.Go to step 3.
3Check the diverter solenoid for proper operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch...

2-50MFP Service Manual 7500-XXX
203.03 Sensor (exit 2) static jam
9Perform a print test.
Does the error still occur?Replace the printer 
engine card 
assembly.
Go to “Printer 
engine card 
assembly removal” 
on page 4-117.Problem solved.
StepCheckYe sNo
1Check the media position.
Open the exit 2 left door assembly, and visually check it.
Does the media touch the sensor (exit 2)?Remove the media.Go to step 2.
2Check the sensor (exit 2) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch BASE...

Diagnostic information2-51
7500-XXX
230.00 Sensor (duplex wait) on jam 
StepCheckYe sNo
1Check the media position.
Does the media remain in the exit 2?
Open the exit 2 left door assembly, and visually check it.Remove the media.Go to step 2.
2Check the roll. 
Open exit 2 left door assembly.
Is the exit 2 media transport roll assembly free of excess 
wear and contamination?Go to step 3.Clean or replace the 
exit 2 unit assembly.
Go to “Exit 2 unit 
assembly removal” 
on page 4-315.
3Check the drive power...

2-52MFP Service Manual 7500-XXX
230.00 Sensor (duplex wait) on jam
10Check the sensor (duplex wait) for proper connection. 
Is the above sensor connected properly?Replace the sensor 
(duplex wait).
Go to “Duplex 
sensor (duplex 
wait) removal” on 
page 4-307.Replace the 
connection.
11Perform a print test.
Does the error still occur?Replace the exit 
interface card 
assembly. 
Go to “Exit 
interface card 
assembly removal” 
on page 4-116.
Go to step 11.Problem solved.
12Perform a print test.
Does the...