HP Troubleshooting Techniques for C2001A Printer Issues

Table 7-15	Right-Hand Image Missing
Possible Cause		Action
No toner available for print.		Shake/replace the EP Toner Cartridge.
Laser shutter may be blocking the beam		Ensure that the mechanism that lifts the
		shutter is functional, for example, the
		shutter doesn’t stick in its travel, and is
		lifted evenly.
Table 7-16
	Small Print Voids
Possible Cause		Action
Small voids on black, or near-black		Replace the EP Toner Cartridge. If the
printed images may be caused by		printer is installed in a hot or humid
imbedded toner on the		location, tell the customer to move the
electro-photographic drum. Cartridges		printer to a better location.
that are run for long periods of time in
high temperature and humidity conditions
may develop this problem.
Table 7-17
	Random Horizontal Black Lines
Possible Cause		Action
Laser/Scanning Assembly misaligned or		Replace the Laser/Scanner Assembly.
damaged.
DC Controller PCA		Replace the DC Controller PCA.
Table 7-18
	Vertical White Streaks
Possible Cause		Action
1.No toner is available for print, or the		Shake the EP Toner Cartridge, replace
toner level is low.		the cartridge if the problem persists.
2.The lenses within the Laser/Scanning		Replace the Laser/Scanning Assembly.
Assembly may be contaminated, blocking
(or diffusing) the laser light.

7-40 Troubleshooting