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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of RICOH VT3800 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
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Text excerpt from page 80 (click to view)

15 November 1995



[B] [C] [D] [H] [E] [G] [F]

The exit pawl [B], located in the center of the drum, guides the center of the printing paper. As the master clamper [A] approaches the exit pawl, the exit pawl moves away from the drum. When printing pressure is applied to the drum, the narrowest part of the pressure cam [G] comes to the bearing on the pressure on/off lever [H], and the lever [H] turns counterclockwise. The exit pawl drive cam [F] is connected to the pressure on/off lever [H] and so the cam [F] moves up. The exit pawl lever [E] then turns clockwise as it moves along the surface of the exit pawl drive cam [F]. Therefore, the exit pawl also comes near the drum until the stopper [D] contacts the adjusting screw [C]. This keeps a small clearance between the exit pawl and the drum surface to ensure the printing paper will be fed to the vacuum unit. As the press roller moves away from the drum (the widest part of the cam [G] comes to the bearing on the pressure on/off lever [H]), the exit pawl drive cam [F] moves down and the exit pawl lever [E] turns counterclockwise. This causes the exit pawl [B] to separate from the drum. The exit pawl [B] is held away from the drum when printing pressure is not applied.


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