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business support center  >  technical support - HP Color LaserJet 4700  >  print quality troubleshooting tool

Print Quality Troubleshooting Tool for HP Color LaserJet 4700

Horizontal lines or spots repeating at various intervals
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Interval Roller Description Replacement Part
1.35 inches (34.3 mm) developing cylinder defect on front of paper black print cartridge
1.48 inches (37.7 mm) primary charging roller/print cartridge/transfer roller blank spots print cartridge
1.52 inches (38.5 mm) developing cylinder defect on front of paper color print cartridge
1.68 inches (42.7 mm) toner feed roller N/A print cartridge
2.95 inches (75.0 mm) media attaching roller defect on front of paper ETB
2.99 inches (76.0 mm) fuser sleeve poor fusing fuser
3.19 inches (81.0 mm) fuser pressure roller poor fusing fuser
3.71 inches (94.2 mm) photosensitive drum defect on front of paper;
blank spots
print cartridge
0.98 inches (25 mm) face-down delivery roller defect on back of paper delivery assembly
1.46 inches (37 mm) fuser delivery roller defect on back of paper delivery assembly
1.85 inches (47 mm) registration sub roller defect on front of paper paper feed assembly
2.17 inches (55 mm) registration roller defect on back of paper paper feed assembly
3.03 inches (77 mm) paper tray feed roller defect on front of paper feed roller
3.03 inches (77 mm) paper tray paper separation roller defect on back of paper separation roller
3.03 inches (77 mm) paper tray pickup roller defect on front of paper paper pickup roller
MP tray pickup roller see note below defect on back of paper MP tray pickup roller assembly
*Note: Defects on paper tray or the multipurpose tray pickup roller cause defects only on the leading edge of the image.

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