Ricoh B286/B289 Printer Service Manual
Troubleshooting, parts diagrams, and service data for B286/B289 copier models including fusing assembly, scanner unit, drum drive, and image processing procedures plus diagnostic flowcharts. Reference: 003165MIU
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Models Covered & Key Technical Specifications
Ricoh B286/B289 (003165MIU) — 2007 Documentary Archive for Copier Volume.
- Reference Climate Parameters: Operating temperature range reaches 10–30°C (50–86°F) is specified as the environmental operation Benchmarks.
- Integral Processing Speed: For optimal paper feed, 1338 pps (pulses per second) establishes the standard feed motor output Range.
- General Component Weight: The main machine weighs 107 kg (235 lb.) represents the baseline unit mass Sequences.
- Essential Tension Specs: Pressure spring attachment positioning at center, left, or right dictates the fusing roller pressure Baseline.
- Baseline Holding Capacity: Toner capacity reaches 2 × 1 kg (2000 g) developer packs Requirements.
- Fundamental Ambient Limits: Humidity range spans 15–90% RH produces the allowable environmental moisture Threshold.
Professional Workshop Service Manual & Technical Specifications
Standard Overhaul Manual: Ricoh B286/B289 Printer Calibration-Manual
Calibration-Scope: B286, B289 // Engineering-Metrics: Digital printing systems / Image processing and component documentation // Calibration-Scope: Service procedures and technical specifications included.
| Category | Content Type | Coverage |
|---|---|---|
| Installation Procedures | Equipment setup documentation | Complete installation instructions for main machine and optional accessories |
| Maintenance Operations | Preventive maintenance specifications | Documented maintenance intervals and component care procedures |
| System Components | Electronic and mechanical assemblies | Full component listing with replacement procedures |
The manual presents information on installation protocols, preventive maintenance operations, and replacement procedures alongside detailed technical reference data. Installation procedures address main machine configuration, roll feeder assembly, paper cassette integration, table installation, and multiple MFP option installations including printer, scanner, interface boards, and security units. Preventive maintenance schedules document cleaning requirements, lubrication points, and inspection intervals for scanner assemblies, development units, drum systems, fusing mechanisms, and motor components.
Modular Parameters
Troubleshooting chapters address service call conditions, SC code descriptions organized by error classification (1XXX through 9XXX series), jam code tables with location-specific indicators, and image problem diagnosis flowcharts. The document includes detailed coverage of cover open conditions, fuse specifications, and board LED status indicators for PSU, MCU, IPU, VDB, and SIB components. Testing and diagnostic procedures outline input check modes covering sensor and switch verification, output check routines for electrical component testing, and test pattern printing for image quality assessment.
Technical Threshold
The manual documents SP adjustment codes across multiple operational modes. SP1-xxx codes address feed system calibration including leading edge registration, side-to-side registration, fusing temperature control, motor speed adjustments, and cut length specifications. SP2-xxx codes cover drum and image processing systems with charge corona adjustment, development bias settings, transfer current calibration, and separation mechanisms. Specifications tables reference torque specifications for the bolt assemblies to ensure proper assembly alignment.
Diagnostic Architecture
SP3-xxx through SP5-xxx modes provide process control, scanner adjustment, and system mode configuration. Scanner calibration addresses magnification adjustments, registration settings, erase margin definition, CIS white level adjustment, and joint alignment procedures. System settings include time zone configuration, language selection, counter methods, optional counter interfaces, and remote service configuration for @Remote and Embedded RC Gate devices.
Precise Benchmarks
The document includes comprehensive electrical schematic references with component locations, drive mechanism layouts, and paper path diagrams for scanner and fusing systems. Details specifications are provided for the main machine (B286/B289), roll feeders (B851/B852), paper cassette (B853), folder unit (D889), and manual feeder (D333). Sensor and motor components receive individual documentation covering operation modes, lock signal timing, and drive mechanism specifications. Motor speed tables reference adjustment ranges with factory default settings for feed motors, main motor, fusing motor, drum motor, and scanner motor operations.
Precise Methodology
User tool settings outline system configuration requirements for tray paper size and type, timer settings, display modes, and address book management. Network settings documentation includes IPv4 and IPv6 address configuration, TELNET operation modes, and web operation parameters. The document addresses component removal and installation procedures sequentially, with emphasis on mechanical alignment and connector verification. Board removal procedures for MCU/IPU/MB, PSU, controller boards, and optional drive boards include NVRAM handling and firmware update protocols. The manual documents torque specifications for mechanical assemblies to ensure proper component installation and system integrity.
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