Lexmark Optra N 4040 Service Manual page 4

4040
Base Machine Service Checks (Continued)
Paper Pick-Up from Multipurpose Tray Service Check . 2-27
Printhead Service Check . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Printhead/Laser Service Check . . . . . . . . . . . . . . . . . . . 2-28
Printhead/Scanner Motor Service Check . . . . . . . . . . . 2-29
Registration Roller Service Check. . . . . . . . . . . . . . . . . 2-29
Print Quality Service Checks . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Black Page Service Check: . . . . . . . . . . . . . . . . . . . . . . 2-30
Blank Spots Service Check . . . . . . . . . . . . . . . . . . . . . . 2-30
Blank Page Service Check . . . . . . . . . . . . . . . . . . . . . . 2-31
Dark Image Service Check . . . . . . . . . . . . . . . . . . . . . . 2-32
Dirt on Back of Paper Service Check . . . . . . . . . . . . . . 2-32
Dirty Image Service Check . . . . . . . . . . . . . . . . . . . . . . 2-33
Distorted Print Service Check . . . . . . . . . . . . . . . . . . . . 2-33
Light Image Service Check . . . . . . . . . . . . . . . . . . . . . . 2-34
Poor Fusing Service Check . . . . . . . . . . . . . . . . . . . . . . 2-35
Sharp Black Horizontal Lines Service Check . . . . . . . . 2-35
Smudged Horizontal Bands Service Check. . . . . . . . . . 2-36
Vertical Dots in a Line Service Check . . . . . . . . . . . . . . 2-36
Vertical Streaks/Lines Service Check . . . . . . . . . . . . . . 2-37
White Horizontal Lines Service Check . . . . . . . . . . . . . 2-37
White Vertical Lines Service Check. . . . . . . . . . . . . . . . 2-38
Paper Feed Service Checks . . . . . . . . . . . . . . . . . . . . . . . . 2-39
Bent Leading Edge of Paper Service Check . . . . . . . . . 2-40
Duplexing Assembly Paper Jams Service Check . . . . . 2-41
Envelope Feeder Paper Jams Service Check. . . . . . . . 2-42
Fuser and Delivery, Paper Jams Service Check . . . . . . 2-43
Multiple Paper Feed Service Check . . . . . . . . . . . . . . . 2-44
Paper Jam Sensor Service Check. . . . . . . . . . . . . . . . . 2-45
Paper Jam 20, Paper Deck Tray or Feeder . . . . . . . 2-47
Paper Jam 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
Paper Jam 21, Input . . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Paper Jam 22, Fuser . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Paper Jam 23, Top Output/Delivery . . . . . . . . . . . . . 2-49
Paper Jam 25, Duplex . . . . . . . . . . . . . . . . . . . . . . . 2-49
Paper Jam 27, Paper Size/Change Paper . . . . . . . . 2-49
Paper Skew Service Check . . . . . . . . . . . . . . . . . . . . . . 2-50
Pick-Up Assembly Paper Jams Service Check . . . . . . . 2-51
Wrinkled Paper Service Check . . . . . . . . . . . . . . . . . . . 2-52
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