MF 5990 - Agoris M943
- 115 -
15 - Troubleshooting
Black spots on the
printed page
The media used is not
compatible (format, thickness,
type, etc.).
Only use compatible media supports (see
Recommendations for the paper [
139]).
The toner cartridge is defective. Remove the toner cartridge and check its condition.
Replace the defective toner cartridge.
Black stripes on
the printed page
The toner cartridge is defective. Remove the toner cartridge and check its condition.
Replace the defective toner cartridge.
Regularly spaced
residues
There is toner in the paper path. Print out several blank pages to eliminate the toner.
The toner cartridge is defective. Remove the toner cartridge and check its condition.
Replace the defective toner cartridge.
Traces like hair
inside and outside
half-shade zones
The media used has been left in
an open packet or left unpacked
for a long period (in low humidity
conditions).
Remove the loaded media and replace it with new
media.
Shadows around
black areas
The media used has been left in
an open packet or left unpacked
for a long period (in low humidity
conditions).
Remove the loaded media and replace it with new
media.
White spots in
black areas
The media used is not
compatible (format, thickness,
type, etc.).
Only use compatible media supports (see
Recommendations for the paper [
139]).
The toner cartridge is defective. Remove the toner cartridge and check its condition.
Replace the defective toner cartridge.
Symptom
Possible cause
Solution
