Print Quality Problems; Completely Blank Printout; All-Black Printout; Dropouts, Horizontal Streak, Black Dots - Kyocera Ecosys FS-6700 Service Manual

Troubleshooting

Print quality problems

6.7 Print quality problems
Print quality problems range from uneven tone to completely blank output. The
troubleshooting procedure for each type of problem is given below.

Completely blank printout

Check the developer unit.

All-black printout

Check the main charger unit
installation.

Dropouts, horizontal streak, black dots

Clean the main charger.
Note the spacing of the
defects. Use the Repetitive
defect gauge on page6-43.
FS-6700
Checkpoint
• Check that the developer unit is inserted correctly
• Check that the developer 's connector is connected prop-
Check point
• Open the printer side cover and check that the main
Check point
• Open the side (drum access) cover. Pull out the green
• If the defects occur at regular intervals of 60.6 mm, the
• If the defects occur at regular intervals of 125.6 mm, the
• If the defects occur at regular intervals of 39.3 mm, the
Suggested remedy
erly.
Suggested remedy
charger unit is correctly seated. To do this, take out the
main charger unit from the printer; then reinstall it care-
fully.
Suggested remedy
knob on the main charger. Pull and push in several
times. For details, see page 5, 3.3. Cleaning the
printer.
problem may be a dirty transfer roller. Clean or replace
the tranfer roller.
problem may be a damaged drum unit or fuser roller.
Replace the drum unit or fuser unit accordingly.
problem may be a damaged developing roller. Replace
the developer unit, if necessary (page 9, Removing the
developer unit).
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