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Lexmark 450dn - E B/W Laser Printer 印刷マニュアル

Print defects guide

Match a set of repeating defects on a print job to the marks on one of the vertical lines. The line that best

matches the defects on the print job indicates which particular part may be causing the defect.

For example, the distance between these two marks represents

a repeating defect that occurs every 38.2 mm (1.5 in.), which

means the charge rollers may need to be replaced.

Replace the

transfer roller

Replace the

charge rollers

38.2 mm

(1.5 in.)

Note: If the defect appears on the printed side of a single-sided print

Replace the toner cartridge

Developer roll

defect

47.8 mm

(1.88 in.)

51.7 mm

(2.04 in.)

job, replace the toner cartridge before replacing the fuser.

Photoconductor

defect

96.8 mm

(3.81 in.)

Print defects guide

Page 1 of 1

Replace the fuser

Backup roller

Fuser belt

defect

79.8 mm

95.5 mm

(3.14 in.)

(3.76 in.)