Dell 2135cn Service Manual page 381

-MQ Chart
This chart allows you to check for a banding if any occurs.
This chart is printed the [MQ Chart] of the [Diagnosis] tab in [Tool Box].
When the image quality is normal, the waves of Y, M, and C are confined within the frame. When the
image quality is abnormal, the wave runs out the frame. Compare the pitch of the wave with the pitch
chart of second page.
No
1
2
3
4
5
Version 1 2008.02.01
Roll Parts
Heat Roll
Drum
Mag Roll
Drive Roll
Regi Roll
Period (mm)
66.7
75.4
37.7
44.0
37.6
1 - 353
Chapter 1 Troubleshooting
Replaceable parts
Fuser
PHD Unit
PHD Unit
Printer
Printer
Wsb02024KA