HP Color LaserJet Enterprise M751n Laser Printer - Manual (Page 132)

5. Make sure the tray is not overfilled by checking the stack-height markings inside the tray. If it is overfilled,
remove the entire stack of paper from the tray, straighten the stack, and then return some of the paper to
the tray.
The following images show examples of the stack-height markings in the trays for various printers. Most
HP printers have markings similar to these. Also make sure that all sheets of paper are below the tabs near
the stack-height marks. These tabs help hold the paper in the correct position as it enters the printer.
Figure 6-6 Stack-height markings
Figure 6-7 Tab for the paper stack
122 Chapter 6 Solve problems ENWW