Samsung CLP-310, CLP-315, CLP-310N, CLP-315W Color Laser Printer Service Manual (P/N 0310-C0SEE)

• 286-page PDF manual set: a 147-page Samsung Electronics OEM Service Manual, Version 1.00 (January 2008, document code 0310-C0SEE); a 36-page Parts Catalog, Ver. 1.00; and a 103-page User’s Guide, Rev. 1.02.
• Model-specific repair coverage: CLP-310, CLP-315, CLP-310N, and CLP-315W, with separate USB, wired-network, and wireless-controller information.
• Illustrated removal and repair access covers the covers and frame, ITB, fuser, HVPS, Main PBA, SMPS, LSU, transfer roller, holder pad, OPE PBA, pick-up roller, and the CLP-315W wireless PBA.
• Engine Diagnostic Control coverage includes motor, clutch and solenoid, sensor, LSU, fuser, and HVPS tests, plus maintenance-item initialization and printer error-state references.
• Electrical documentation includes the system block diagram, ten connector and pin-layout diagrams, and a 23-entry harness table organized by connection, pin count, and SEC code.
• The parts catalog supplies 15 numbered exploded assemblies with matching parts lists, SEC codes, service-availability grades, and model- or voltage-specific remarks.

Assembly and System Breakdown

The service manual follows the complete electro-photographic process from conductive-roll charging and LSU exposure through Y/M/C/K development, first transfer to the ITB, second transfer to the paper, and three-roll fusing. It explains how the OPC drum, developer sections, transfer rollers, waste-toner path, drive system, sensors, SMPS, HVPS, and controller work together rather than treating them as isolated replacement parts.

Controller coverage is model-specific. The CLP-310, CLP-315, and CLP-310N use the Jupiter5/32 MB architecture, while the CLP-315W uses a Chorus3/64 MB controller with a separate WLAN PBA. Main-PBA connector views identify the engine, HVPS, SMPS, LSU, CRUM, motor, clutch, sensor, OPE, network, and wireless connections. The firmware material also covers status monitoring, alarm and error handling, CRUM data, firmware upgrade, and initialization flow.

Illustrated repair procedures show how to reach and remove the major assemblies without reducing the manual to a generic parts overview. The electrical section supports that work with main-board connections for the LSU, SMPS, HVPS, BLDC motor, sensor and CRUM circuits, actuator circuits, and heater unit. The exploded catalog identifies assemblies such as Main, Transfer Unit, Frame, Main Drive, Fuser Unit, and the pickup and exit frame sub-units.

Specifications and Diagnostics

The alignment and troubleshooting chapters provide demo and configuration-page tests, LED-state interpretation, jam diagnosis, periodic-defect analysis, general print troubleshooting, and operating-system-specific fault tables. The periodic image chart links repeating marks to the OPC drum, charge roller, supply and developing rollers, transfer rollers, pressure roller, or heat roller. Major-problem tables go further into vertical bands, white lines, light or dark output, background, jams, multi-feeding, no power, cover-open faults, motor problems, fuser faults, and LSU motor or Hsync failures.

EDC mode gives technicians direct engine checks for the main motor, development and transfer clutches, registration and paper sensors, waste-box detection, LSU motor and laser functions, fuser operation, and HVPS outputs. The CLP-310N section notes the required external EDC execution program. Configuration reports provide firmware, page-count, consumable-life, toner, imaging-unit, and network information for repair planning and post-repair checks.

Specifications cover power consumption, operating environment, paper handling, controller and interface differences, consumable yields, and replacement-life data. The SMPS and parts sections distinguish the 110–127V and 220–240V power builds, including separate 110V and 220V fuser assemblies. Consumable references identify CLT-K409S as the black toner cartridge, alongside the matching color cartridges, CLT-R409 imaging unit, and CLT-W409 waste-toner container. Service part numbers are also supplied for the pick-up roller, fuser, T2 roller, and ITB.

The separate User’s Guide adds operator-level setup, wired and wireless network configuration, print-media handling, report printing, cleaning, cartridge and imaging-unit replacement, waste-toner container replacement, jam clearing, supplies, specifications, and Windows, Linux, and Macintosh software instructions. It also lists the CLP-310W and CLP-315N at operator level, but that does not expand the internal repair coverage beyond the four models named on the Service Manual cover.

Service cautions: The LSU is a replace-as-a-unit assembly because opening it can contaminate the mirror chamber and disturb critical alignment. The ITB home-sensor alignment is factory-set and should not be disturbed. Disconnect power, use ESD precautions around the PBAs, and allow the fuser to cool before internal repair work.