HP LaserJet 4v/mv Service Manual - Page 172
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Troubleshooting Tools Repetitive Image Defect Ruler Figure 7-3 7DFTRUL First occurence of print defect Primary Charging Roller 43 mm (1.7 in) Face Down Delivery (Upper) Roller 50 mm (1.96 in) Registration Roller 50 mm (1.96 in) Transfer Roller 61 mm (2.4 in) Developing Cylinder 63 mm (2.48 in) Fusing Pressure Roller 86 mm (3.38 in) Upper Fusing Roller 88 mm (3.46 in) Toner Cartridge Photosensitive Drum 94 mm (3.7 in) Repetitive Image Defect Ruler 7-36 Troubleshooting
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Troubleshooting Tools
Repetitive Image Defect Ruler
Repetitive Image Defect Ruler
First occurence of print defect
Primary Charging Roller 43 mm (1.7 in)
Face Down Delivery (Upper) Roller 50 mm (1.96 in)
Registration Roller 50 mm (1.96 in)
Transfer Roller 61 mm (2.4 in)
Developing Cylinder 63 mm (2.48 in)
Fusing Pressure Roller 86 mm (3.38 in)
Upper Fusing Roller 88 mm (3.46 in)
Toner Cartridge Photosensitive Drum 94 mm (3.7 in)
7DFTRUL
Figure 7-3
7-36 Troubleshooting