Lexmark X850E - Fax Failure; Modem Failure

2-148 MFP Service Manual
7500-XXX
847.01 Fax failure
848.00 Modem failure
Step Check Yes No
1 Perform a POR.
Does the error remain?
Perform format
fax storage.
Warning: Perfor
ming format fax
storage will
erase all fax
information.
Go to “Format
Fax Storage”
on page 3-42.
Problem solved.
2 Check the hard drive data and power connections.
Is the hard drive connected properly?
Replace the
hard drive.
Go to “Hard
drive removal”
on page 4-130.
Problem solved.
Step Check Yes No
1 Check the fax interface card assembly (modem) connection.
Is the fax interface card assembly (modem) connected
properly?
Replace the fax
interface card
assembly
(modem) and
properly set
configuration ID.
Go to “Fax
interface card
assembly
removal” on
page 4-129.
Go to
“Configuration
ID” on
page 3-20.
Replace the
connection.
2 Perform a POR.
Does the error remain when the power is turned off/on again?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-128.
Problem solved.