Riso Cz — 100 Service Manual

Full circuit diagrams, sensor location maps, and PCB (Printed Circuit Board) layouts. Troubleshooting & Error Codes

– Exploded views with official part numbers for ordering replacements. Critical Safety Precautions

: Technicians use specific button combinations, such as holding print position buttons during startup, to access Service Mode (e.g., mode 556 for drum release). Maintenance Procedures

Master not cutting or loading

When the Riso CZ 100 encounters an issue, it displays specific error codes. Below are the most common codes found in the service manual, along with their diagnostic steps. "A" Codes: Jam Errors

| Section | Content Focus | Typical Use Case | | :--- | :--- | :--- | | | High-voltage warnings (thermal head, PSU), lockout procedures. | Before opening any access panel. | | 2. Theory of Operation | Master making, ink supply vacuum, paper separation. | Understanding why a "no master" error occurs. | | 3. Disassembly/Reassembly | Drum removal, thermal head replacement, sensor cleaning. | Replacing a worn pickup roller or blown fuse. | | 4. Test Mode (TM) | Activating TM codes (e.g., TM 62 for sensor check, TM 78 for clutch test). | Isolating a faulty paper feed clutch vs. a bad sensor. | | 5. Electrical Parts List | Part numbers for sensors, motors, and PCBs. | Ordering a replacement master eject unit. |

While Riso's detailed official documentation is typically for authorized dealers, this guide will provide you with the critical equivalent: an in-depth look at where to find official technical resources, how to understand its error codes, and how to perform the professional-level maintenance needed to keep your CZ100 in perfect working order. riso Cz 100 Service Manual

Authorized regional Riso dealers are the safest source for components and official PDF copies of technical documentation. For older legacy models like the CZ 100, specialized independent office equipment suppliers often carry legacy stock and refurbished PCB assemblies.

: Gently pull partially ejected paper from the landing tray with both hands.

300 dpi x 300 dpi for both scanning and printing. Ink Supply: Fully automatic 800 ml cartridges. Master Roll Capacity: Approximately 235 sheets per roll. Full circuit diagrams, sensor location maps, and PCB

The drum collects ink and the pressure roller forces the paper against it.

Essential for diagnosing board-level failures or sensor malfunctions. Common Maintenance & Troubleshooting