Abstract: In a method of authorizing a supply for use with a printing system, a supply is provided having a memory containing a first and second codes and supply-specific data, which uniquely identifies the supply. The first code, the second code and the supply-specific data are retrieved from the memory of the supply. The first and second codes are translated using the supply-specific data. The translated first code is compared to a third code and the translated second code is compared to a fourth code. Use of the supply with the printing system is authorized when the translated first code corresponds to the third code and the translated second code corresponds to the fourth code. Use of the supply with the printing system is prevented when either the translated first code does not correspond to the third code, or the translated second code does not correspond to the fourth code.

Abstract: A scraper, such as a wall scraper using a standard replaceable blade, is provided with an adjustable scraper head for changing the attack angle of the blade to suit the user and/or the job. Embodiments include a scraper having an elongated handle and a scraper head for fixedly holding a blade, the scraper head being pivotably mounted to an end of the handle for positioning the scraper head at a selected angle to the handle. A lock, engageable with the handle and the scraper head, fixes the scraper head at the selected angle. The lock has a knob for gripping the scraper, and the handle has a rear grip, thus allowing the user greater control of the scraper.

Abstract: An ergonomic scraper, such as a floor scraper using a standard replaceable blade, is provided. Embodiments include a scraper having an elongated handle, a scraper head for fixedly holding a blade mounted to a first end of the handle, an upper hand grip at a second end of the handle, and a lower hand grip between the first and second ends of the handle. The handle has an S-shape to reduce the angle between the blade and a workpiece. A pair of wheels is mounted near the scraper head for easily adjusting the blade attack angle. The scraper head is adjustable for changing the scraping angle of the blade to suit the user and/or the job.

Abstract: In a method of authorizing a supply for use with a printing system, a supply is provided having a memory containing a first and second codes and supply-specific data, which uniquely identifies the supply. The first code, the second code and the supply-specific data are retrieved from the memory of the supply. The first and second codes are translated using the supply-specific data. The translated first code is compared to a third code and the translated second code is compared to a fourth code. Use of the supply with the printing system is authorized when the translated first code corresponds to the third code and the translated second code corresponds to the fourth code. Use of the supply with the printing system is prevented when either the translated first code does not correspond to the third code, or the translated second code does not correspond to the fourth code.

Abstract: Identification card manufacturing security restricts use of an identification card manufacturing system with only authorized supplies. In accordance with one aspect of the invention, a supply-specific security code (SSSC) and supply-specific data are stored in memory of the supply. The SSSC is translated using the supply-specific data. Finally, the supply is authorized for use with the identification card manufacturing system only when the translated SSSC is found to be valid. In accordance with another aspect of the invention, an identification card manufacturing system is configured to operate only with supplies having corresponding customer-specific security codes (CSSC). A supply CSSC and supply-specific data are retrieved from memory of the supply. Additionally, a system CSSC and system-specific data are retrieved from memory of the identification card manufacturing system. The supply CSSC and the system CSSC are translated using the supply-specific data and the system-specific data, respectively.

Abstract: Identification card manufacturing security restricts use of an identification card manufacturing system with only authorized supplies. In accordance with one aspect of the invention, a supply-specific security code (SSSC) and supply-specific data are stored in memory of the supply. The SSSC is translated using the supply-specific data. Finally, the supply is authorized for use with the identification card manufacturing system only when the translated SSSC is found to be valid. In accordance with another aspect of the invention, an identification card manufacturing system is configured to operate only with supplies having corresponding customer-specific security codes (CSSC). A supply CSSC and supply-specific data are retrieved from memory of the supply. Additionally, a system CSSC and system-specific data are retrieved from memory of the identification card manufacturing system. The supply CSSC and the system CSSC are translated using the supply-specific data and the system-specific data, respectively.

Abstract: A hand held cleaning apparatus with a housing, a motor, and a cleaning attachment operably connected to the motor. The housing is sized and shaped to provide two primary hand holding positions. The housing has a handle section allowing a user to grasp the housing therearound and thereby provide the first hand holding position. The housing also has a head section with a top surface having a curve to be matingly received on a user's palm and thereby provide the second hand holding position.