User's Guide

> Troubleshooting > Image Quality Issues > Black Spots/White Spots > When Spots (Black Spots/White Spots) Occur

When Spots (Black Spots/White Spots) Occur

Overview
Solution

Overview

Noise in the shape of white spots or black spots may occur during printing.

Solution

First, check the following items.

Item

Solution

Insufficient toner level

1. Checking Remaining Toner Levels

2. Replacing the Toner bottle

The system features functions for helping control the occurrence of spots (black and white spots) if they do appear. Use the following functions if the above suggestions do not resolve the situation. For details about the various adjustment items, refer to the reference page.

Solution/Reference

Main improved phenomena

[Offset Image(Front)]

[Offset Image(Back)]

Noise-like disturbance in halftone image, maximum density of printed image is low

If the above measures do not improve the situation, the system's internal transfer roller or fusing unit may be dirty. Contact your service representative.

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