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Solution:

The solution depends on the interval.

Interval

Solution

Approximately 18 mm (0.7 inches)

  1. In the [Machine: Image Quality] group on the [Adjustment Settings for Skilled Operators] menu, select [Adjust Image Density/ DEMS] and execute [Execute DEMS].

  1. If the problem persists, contact your service representative.

Approximately 26 mm (1 inches)

  1. In the [Machine: Image Quality] group on the [Adjustment Settings for Skilled Operators] menu, select [Adjust Image Density/ DEMS] and execute [Execute DEMS].

  2. If the problem persists, contact your service representative.

Approximately 40 mm (1.6 inches)

  1. Replace the charge roller.

  2. If the problem persists, contact your service representative.

Approximately 50 mm (2 inches)

  1. In the [Machine: Image Quality] group on the [Adjustment Settings for Skilled Operators] menu, select [Adjust Image Density/ DEMS] and execute [Execute DEMS].

  2. If the problem persists, contact your service representative.

Approximately 190 mm (7.5 inches)

  1. In the [Machine: Image Quality] group on the [Adjustment Settings for Skilled Operators] menu, select [Adjust Image Density/ DEMS] and execute [Execute DEMS].

  1. If the problem persists, replace the photoconductor unit.

  2. If the problem still occurs after the photoconductor unit is replaced, contact your service representative.

Note

  • For details about replacing the charge roller and photoconductor unit, see Replacement Guide.