Figure 2-3. Cleaning The Electrical Contacts On The Carriage (Left) - Samsung SF-330 Series Service Manual

SF-330 Series Graphic Print Bar
Service Guide
dried out, clogged nozzle. (see section 2.1.2.2 about cleaning the orifice plate and print cartridge nozzles).
If the ink cartridge is only missing a few dot rows, the cartridge may have a damaged or scratched nozzle.
If the nozzle appears scratched or damaged in any way, replace the cartridge.
5. There may be a hardware problem. Check the following:
a. The flex circuit (between the carriage assembly and the logic PBA) may not be making good contact.
Reinstall the flex circuits into connectors on the logic PBA.
b. The carriage assembly may be faulty. Check for problems with the carriage assembly. If necessary,
replace the carriage drive system. Refer to the procedure in section 0.
2.1.2.1 Cleaning the Carriage Contacts and Cartridge Contacts
1. Use only lint-free swabs moistened with water. Do not use cotton swabs .
2. Clean the contacts as shown in Figure 2-3.
Caution: Do not clean the print cartridge nozzles or orifice plate with swabs.
3. Let the contacts dry after cleaning.
4. Reinstall the print cartridge into the carriage assembly.
Figure 2-3. Cleaning the electrical contacts on the carriage (left) and print cartridge (right)
2.1.2.2 Cleaning Crusted Ink from Print Cartridge Nozzles
Storing an uncapped print cartridge outside of the service station can cause a crust of ink on the nozzles.
Do not install an ink -crusted print cartridge into the product.
Caution
Use care during cleaning to avoid staining your hands or clothes with ink from the print cartridge.
1. Hold the print cartridge by the top of the cartridge.
Samsung Electronics Confidential
© Copyright Samsung Electronics Company 2002
Page 8
SF-330 Series Graphic Print Bar Service Guide
Revision 1.0; 23-Jul-02