Try connecting a working phone directly to the telephone wall jack and check for a dial tone â. if you do not hear a dial tone, please contact your telephone company to check the line. Make sure you connect the HP Officejet/Officejet Pro device to an analog phone line, or you. cannot send or receive faxes.
Vitiligo is an autoimmune condition that causes depigmentation of sections of skin. It occurs when melanocytes, the cells responsible for skin pigmentation, are damaged or destroyed by the autoimmune attack.Vitiligo tends to appear in symmetric patches sometimes covering large areas of the body.t occurs when melanocytes, the cells responsible for skin pigmentation, are damaged or destroyed by the autoimmune attack. Vitiligo tends to appear in symmetric patches sometimes covering large areas of the body.
Scleroderma is an autoimmune disorder in which, for unknown reasons, the immune system stimulates cells to produce excess collagen. There are two main types of this disease: 1  Localized scleroderma affects limited areas of the skin and musculoskeletal system; it can make the hands waxen and immobile.cleroderma is an autoimmune disorder in which, for unknown reasons, the immune system stimulates cells to produce excess collagen. There are two main types of this disease: 1  Localized scleroderma affects limited areas of the skin and musculoskeletal system; it can make the hands waxen and immobile.