- HP All-in-One Printer Manual

Q2431-90912 Chapter 7 Troubleshooting 323
Table 73. Blank (or white) page
Possible cause Recommended action(s)
Software configuration (intermittent
problem).
● Make sure that the application is not sending incorrect page-
length requests or extra page-eject commands.
Network configuration. Some sharing
devices on networks might generate a
blank page as a print job separator.
● Check with the network administrator.
Multiple feeds. The printer might be
feeding two or more pages at once
(intermittent problem).
● Remove the media from the tray and flex the stack in one
direction and then the other to separate the pages. Do not fan
the stack. Replace the stack in the tray.
The sealing tape was left in the print
cartridge.
● Remove the sealing tape.
The print cartridge is empty or defective.
● Replace the print cartridge.
The laser/scanner shutter door is not
opening correctly.
1. Remove and reseat the print cartridge.
2. Verify that the laser/scanner shutter door can open properly.
If necessary, replace the laser/scanner assembly. See
“Laser/scanner assembly” on page 173.
No transfer-roller voltage.
● Without transfer-roller voltage, toner does not transfer correctly
from the surface of the drum to the paper. Perform the half
self-test functional check (see “Half self-test functional check”
on page 310) to check the electrophotographic process. If
necessary, replace the transfer roller. See “Transfer roller” on
page 138.
The high-voltage connector springs are
dirty or damaged.
● The high-voltage connectors protrude into the print cartridge
cavity. Clean the springs if they are dirty. Replace the springs if
they are damaged or missing.
No drum ground path.
● With no drum ground path, the drum cannot discharge. The
negative charge on the drum repels toner, and leaves a nearly-
white page (possibly with bubbled print). Check the drum ground
that runs from the contact point in the center of the print drum.
High-voltage circuit is defective.
● Replace the power supply. See “Power supply” on page 188.
Defective laser/scanner cable.
● Low-level signals that are exchanged between the laser/
scanner assembly and the DC controller PCA might be affecting
the laser output. Replace the laser/scanner cables.