T echnical B ulletin PAGE: 1/1 Model: P TT3 Date: 19-Aug-09 No.: RC274002 Subject: Color Drum Type 20 From: 2nd Tech Support Sec. Service Support Dept. Classification: Troubleshooting Mechanical Paper path Product Safety Parts Change z Main change: The Ink pump unit was changed to the same Thorochoid unit used on the PT series and TT3. Reason: To facilitate servicing in the field. Prepared by: M.Kumagai Part information Electrical Transmit/receive Other ( ) Action required Service manual revision Retrofit information Tier 2 z In accordance with this change: - Some service parts changes were made ( see the PT or TT3 parts catalog ). - The format of the serial number for the drum was changed ( see the table below ) so that it is easy to distinguish between the drums with the old/new pump units. Item Model Name Product Code LG Color Drum Color Drum Type 20 (LG) C647-59 B4 Color Drum Color Drum Type 20 (B4) C648-59 A4 Color Drum Color Drum Type 20 (A4) C643-59 Old S/N format New S/N format Note N01YMM70001 N02YMM70001 N11YMM70001 N96 YMM70001 N97 YMM70001 N95 YMM70001 Only for Platinum
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Compatible Models: Ricoh-C647-C648.
– Ricoh-C647-C648 Technical-Bulletin: is a handbook published by Ricoh manufacturer or a specialized publishing company that contains instructions and specifications for the maintenance, repair, and how to fix all error of a specific Ricoh-C647-C648 Printer. It may includes Exploded Views, Parts List, System Diagram, Disassembly and Reassembly, Alignment, Troubleshooting guides, Adjustments, hard reset code, factory reset…

You can do with Ricoh-C647-C648 Technical-Bulletin:

1.1 Guide you from basic to advanced usage it.
1.2 Fluent Disassembly and Re-assembly Ricoh-C647-C648 Technical-Bulletin.
1.3 Diagnostic all errors are generated by Ricoh-C647-C648 Technical-Bulletin:
– The printer does not print.
– Paper does not feed into the printer.
– A print job is extremely slow.
– Half the page is blank.
– The paper keeps jamming, Paper Jam inside, Paper Jam Outside…
– The printer prints, but the text is wrong, garbled, or incomplete.
– Pages print, but are blank.
– The print quality of photos is not good. Images are not clear.
– Your printer has an odd smell during initial use.
1.4 How to refill toner/ink Ricoh-C647-C648.
1.5 How to update firmware Ricoh-C647-C648.
1.6 How to reset page counter by software, fix all error cause by ink/toner cartridge Ricoh-C647-C648: Waste Ink Ink Pad Error, ink cartridge error, red light blinking, red-green light blinking, yellow blinking, Ink cartridge failure, waste ink over flow, ink out, ink level, incompatible ink cartridges, toner cartridge not competition, install toner cartridge, toner exhausted, toner low, toner empty, toner very low…How to use Adjustments Program.
1.7 How to fix main board error, print head, formater board error Ricoh-C647-C648.
1.8 How to troubleshooting printer problem with low quality page .
1.9 How to fix : Communication Error, Model Difference, Cover open(Tray) Error, Paper Out Error, Paper Jam Error, Paper Mismatch Error, Ink Low, Ink End Error, No Ink Cartridge, CSIC Error, Maintenance Request Error, Fatal Error…
1.10 How to fix sensor error: empty image, imaging unit is not installed, sensor failure, turn off then on, fusser error, LSU error, Engine board problem, Flash ROM problem, Main motor problem, Sirocco fan problem, Power supply cooling fan problem, Suction fan problem, Polygon motor problem, Laser problem, Secondary transfer voltage contact/release problem, Transfer belt cleaner contact/release problem, Transfer belt rotation problem, Imaging rack rotation problem, Fuser roller temperature increase problem, Fuser roller low temperature problem, Fuser roller high temperature problem, Fuser roller thermistor problem, Transparency detection sensor problem, Main unit memory counter problem, Main unit memory data problem, Main unit memory access problem, Main unit memory installation problem, Engine communication error.

Ricoh-C647-C648 Technical-Bulletin covers following topics:

– Precautions Ricoh-C647-C648.
– Product Specification Ricoh-C647-C648.
– System Overview Ricoh-C647-C648.
– S/W Structure and Descriptions Ricoh-C647-C648.
– Disassembly and Reassembly Ricoh-C647-C648.
– Alignment and Adjustments Ricoh-C647-C648.
– Troubleshooting Ricoh-C647-C648.
– Exploded Views & Parts List Ricoh-C647-C648.

Free Download Ricoh-C647-C648 Technical-Bulletin

Ricoh-C647-C648 Technical-Bulletin

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