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If your issue is listed here,
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| Distance between defects | Product components that cause the defect |
|---|---|
| 27 mm | Print cartridge (primary charging roller) |
| 32 mm | Print cartridge (developer roller) |
| 44 mm | Print engine (primary transfer roller) |
| 49 mm | Print cartridge (replenishing/supply roller) |
| 50 mm | Print engine (secondary transfer roller) |
| 76 mm | Print cartridge (OPC) |
| 77 mm | Fuser (fuser film) |
| 78 mm | Fuser (pressure roller) |
Please let HP know if this helped you to resolve your issue, and help HP improve service.