Step 1  Make sure to remove all the packing material in the following areas: - Inside the printer
- Toner cartridges and imaging unit
Print the document.
Do the defects still appear? | Go to step 2. | The problem is solved. |
Step 2 Determine how many colors have defects. Is only one color affected? | Go to step 3. | Go to step 3. |
Step 3 Using the Maintenance Defect Ruler, measure the distance between the repeating defects on the affected color page. Replace the supply item that matches the measurement on the affected color page. Color imaging kit or black imaging unit - 94.5
mm (3.72
in.)
- 29.9
mm (1.18
in.)
- 23.2
mm (0.91
in.)
Developer unit - 43.6
mm (1.72
in.)
- 45.0
mm (1.77
in.)
Print the Print Quality Test Pages.
Do the defects still appear? | Take note of the distance, and then contact customer support or your service representative. | The problem is solved. |
Step 4 Using the Maintenance Defect Ruler, measure the distance between the repeating defects on the affected color page. Replace the supply item that matches the measurement on the affected color page. Transfer module - 37.7
mm (1.48
in.)
- 78.5
mm (3.09
in.)
- 54.6
mm (2.15
in.)
Fuser - 95
mm (3.74
in.)
- 110
mm (4.33
in.)
Print the Print Quality Test Pages.
Do the defects still appear? | Take note of the distance, and then contact customer support or your service representative. | The problem is solved. |