HP M3027 Service Manual - Page 250
Image defect ruler, OPTICAL PHOTO CO, DUCTOR 96mm, FUSER 76mm, PRESSURE ROLLER 62mm, ELOPER 47mm
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Image defect ruler Use a ruler to measure occurrences of repetitive image defects to help solve image quality problems. Place the ruler next to the first occurrence of the defect on the page. Find the distance between identical defects and use the figure below to identify the component that is causing the defect. 0mm PRIMARY CHARGING ROLLER 38mm TRANSFER ROLLER 43.6mm DEVELOPER 47mm PRESSURE ROLLER 62mm FUSER 76mm OPTICAL PHOTO CONDUCTOR 96mm 238 Chapter 6 Troubleshooting ENWW
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Image defect ruler
Use a ruler to measure occurrences of repetitive image defects to help solve image quality problems.
Place the ruler next to the first occurrence of the defect on the page. Find the distance between identical
defects and use the figure below to identify the component that is causing the defect.
OPTICAL PHOTO CO
N
DUCTOR 96mm
FUSER 76mm
PRESSURE ROLLER 62mm
DE
V
ELOPER 47mm
TRA
N
SFER ROLLER 43.6mm
PRIMARY CHARGI
N
G ROLLER 38mm
0mm
238
Chapter 6
Troubleshooting
ENWW