Tray 1 Media Size Failure - Lexmark X850e Service Manual

Step
3 Checking the toner cartridge guide assembly. Remove the
top cover assembly. Is the toner cartridge guide assembly
damaged?
4 Checking the sensor (RFID toner cartridge). Is the above
sensor attached and connected properly?
5 Perform a print test.
Does the error still occur?

Tray 1 media size failure

Step
1 Check the media.
Pull out media tray 1 to visually check it.
Is media loaded in media tray 1 properly?
2 Check the media.
Pull out media tray 1 to visually check it.
Are the front media tray guide assembly, rear media tray
guide and media tray end guide of media tray 1 set
correctly?
3 Check the tray 1 switch (media size) for proper installation.
Pull out media tray 1 to visually check it.
Is the above switch installed properly?
4 Check the tray 1 switch (media size) connection.
Is the tray 1 switch (media size) properly connected.
5 Perform a print test.
Does the error continue?
Check
Check
Yes
Replace the toner Go to step 4.
cartridge.
Go to "Toner
cartridge guide
assembly
removal" on
page 4-95.
Replace the Go to step 5.
sensor (RFID
toner cartridge).
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-117.
Yes
Go to step 2. Load media
properly.
Go to step 3. Set the guides
properly.
Go to step 4. Install switch
(media size) for
media tray 1
correctly.
Replace the switch Replace the
(media size). connection.
Go to "Switch
(media size)
removal" on
page 4-19.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-117.
Diagnostic information
7500-XXX
No
No
2-197