HP 4550 Service Manual - Page 268
Repetitive defect ruler, ITB cleaning roller 40 mm 1.6
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Repetitive defect ruler First occurrence of print defect Color developer 30 mm (1.2 in) Black developer roller 37 mm (1.5 in) Charge roller 40 mm (1.6 in) ITB cleaning roller 40 mm (1.6 in) Transfer roller 53 mm (2.1 in) Fuser 131 mm (5.2 in) Imaging drum 152 mm (6 in) Figure 7-8 Repetitive defect ruler 266 Troubleshooting C7085-90921
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266
Troubleshooting
C7085-90921
Repetitive defect ruler
Figure
7-8
Repetitive defect ruler
Color developer 30 mm (1.2 in)
Black developer roller 37 mm (1.5 in)
Transfer roller 53 mm (2.1 in)
Imaging drum 152 mm (6 in)
Fuser 131 mm (5.2 in)
ITB cleaning roller 40 mm (1.6 in)
Charge roller 40 mm (1.6 in)
First occurrence of print defect