Sharp AR-250/AR-281/AR-285/AR-335/AR-405/AR-501/AR-505 Copier Service Manual (302 P.)

Inside the Sharp AR-250 through AR-505 Digital Copier Service Manual

• Covers 1999 Sharp AR-250, AR-280, AR-281, AR-285, AR-286, AR-335, AR-336, AR-405, AR-501, and AR-505 series digital copiers with various document feeder and finisher configurations
• Official Sharp corporation publication code 00ZAR505//A1E, August 1999 edition
• Contains 80+ exploded-view diagrams, electrical sensor/motor locations, and what factory workshop documentation is structured for these models
• Downloads to your account within seconds of checkout
• Re-download the file any time, no expiration
• Full-text search finds any part number in seconds
• Laid out for standard letter and A4 printing
• This 1999 manual is the reference for the entire AR-series launch build, including nuances of the 50 cpm RSPF-equipped flagship models

Technical Documentation Preview

The Sharp AR-250 through AR-505 service manual provides deep technical insights into the digital imaging architecture of this copier line. This technical documentation lists the specific operation of the laser scanning unit, CCD input sensors, and the main drive motor mechanisms. The manual provides the necessary diagnostic framework for the maintenance manual tasks by listing the specific simulation codes used for checking load operations, sensor status, and copier hardware configurations. The document details the sensor locations, including the OCSW for cover detection and POD1 for paper exit tracking, while also providing electrical layouts for the PWB components.

Key technical reference values provided in this document include the photoconductor drum charging voltage, which for the AR-501/505 models is calibrated to –645V ±5V. The separation charger DC component voltage for the AR-505 is specified at –200V ±10V in front surface mode. The copier requires a fusing unit operating temperature controlled by thermistors located at the center and sides, as documented in the internal wiring layout diagrams.

An official 302-page Sharp OEM service manual covering the 1999 AR-250 through AR-505 digital copier lineup, documenting hardware, electrical, scanner, and simulation system specifications across all document feeder variants.