1999 Canon GP405/335 Service Manual 682 Pages

Technical Scope and Features

• Covers 1999 Canon GP405 and GP335 multi-function copiers, including 40 ppm and 33 ppm variants with standard 32MB image memory.
• Official OEM publication FY8-13FV-000, January 1999 Revision 0.
• Documents hundreds of electrical pinouts, system timing charts, component exploded views, and troubleshooting maintenance tables across 682 pages.
• Accessible from your device as soon as the order is placed.
• No DRM restrictions on the print function.
• This 1999 publication serves as the primary technical reference for the Canon GP405/335 launch build, detailing proprietary diagnostic service modes not found in operator guides.

Documented Systems and Theory

Operational Architecture

This technical publication details the functional construction of the Canon GP405 and GP335, mapping the seven primary systems including the original exposure system and printer components. The contents provide an analysis of electrical circuitry, specifically focusing on the image processor PCB, composite power supply, and DC controller PCB configurations. Coverage extends to the timing sequences for both direct and memory-based copying, documenting the interaction between the laser exposure system, developing assemblies, and sheet feeding mechanisms.

Specification Previews

The manual documents precise technical parameters required for field maintenance, such as the 7.5–32.5°C operating environmental range and 910W active power draw for the copier. Technical depth is provided for the laser exposure system, including the 1200-equivalent x 600 dpi output resolution and AE (auto density adjustment) process logic. The fixing unit temperature is specified at 170°C for the upper roller in the operation sequence charts. For further details on what an OEM service publication covers, users can reference standard technical documentation structures. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.