Strange Sound Generated (Flatbed); Frequent Paper Jam - Lexmark OptraImage 443 Service Manual

3.1.1.17 3.1.1.17

Strange Sound Generated (flatbed)

Strange Sound Generated (flatbed)
3.1.1.17 3.1.1.17 Strange Sound Generated (flatbed) Strange Sound Generated (flatbed)
Cause Cause Cause Cause
Motor unit failure
Main control PCBA
failure
Scanning module
failure
Dirt on rail
3.1.1.18 3.1.1.18 3.1.1.18 3.1.1.18

Frequent paper jam

Frequent paper jam Frequent paper jam Frequent paper jam
Cause Cause Cause Cause
Paper setting
failure
Paper failure
ADF connector
slip-off
Pad assembly
failure
ADF unit failure
Relevant Unit Relevant Unit Relevant Unit Relevant Unit Check Method Check Method Check Method Check Method
Motor unit Replace the motor
unit.
Main control Replace the main
PCBA control PCBA.
Scanning module Check if scanning
module is loose.
None Visual check
Table 3.14 Table 3.14 Table 3.14 Table 3.14
Relevant Unit Relevant Unit Relevant Unit Relevant Unit Check Method Check Method Check Method Check Method
Operation error Is the paper
correctly set in
the paper chute?
operation error Is the specified
paper used?
ADF unit Visual check of
motor rotation
Pad assembly Check the pad
assembly for wear
and tear
ADF unit Replace the ADF
unit.
Table 3.15 Table 3.15
Table 3.15 Table 3.15
3-15
Maintenance Method Maintenance Method Maintenance Method Maintenance Method Remark Remark Remark Remark
Replace the motor None
unit.
Replace the main None
control PCBA.
Replace the optical None
unit.
Clean the rail with None
isopropyl alcohol
Maintenance Maintenance Maintenance Maintenance Remark Remark Remark Remark
Method Method Method Method
Teach users to None
properly position
the paper.
None None
Connect the None
connector.
Replace the pad None
assembly/ touch
spring unit.
Replace the ADF None
unit.