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SF-330 Series Graphic Print Bar
Service Guide
Samsung Electronics Confidential
Copyright Samsung Electronics Company 2002
SF-330 Series Graphic Print Bar Service Guide
Revision 1.0; 23-Jul-02
2.1.2 Missing Dots
Figure 2-1. Example of missing dots shown as partial printed rows (white stripes) in the printout
If any rows of dots are missing on printouts (as shown in Figure 2-1), check for the following problems:
1. The print cartridge may be past its expiration date, running out of ink, or faulty. If so, replace the print
cartridge (see section 2.2 for details about print cartridge problems).
2. The print cartridge may not be making good electrical contact with the carriage assembly. Make sure that the
print cartridge is seated and pressed securely against the carriage contacts. Remove and reinstall the print
cartridge, making sure that the cartridge snaps into the carriage assembly, as shown in Figure 2-2.
Figure 2-2. Properly installed print cartridge
3. The carriage contacts or print cartridge contacts may be dirty (see section 2.1.2.1 about cleaning the electrical
contacts).
4. The print cartridge may have been stored uncapped and out of the mechanism, which can cause a severely