Dolev 800 - Loading/Unloading System -
Film In/Out Detector

OptoMechanical Assy (zoom image)
Optomech 800P (zoom image)

See FCO 19579 31 Jul 94 - Replacing the Left & Right Film Detector

Description
Replacement
Check

Description

There are two Film In/Out detectors in the system. They are assembled on the left and on the right Film Guides (cubic), in the front of the Opto-Mechanical Assembly.

Their function is to sense the loading and the unloading of the film into the internal drum. The detectors are magnetic type.

Replacement

Tools and Accessories
Disassembling of Film In/Out Detectors
Assembling the Film In/Out Detector

Tools and Accessories

A set of Allen Keys.

Disassembling of Film In/Out Detectors

1. Power off the imagesetter using the operational panel on/off switch.
   
   
2. Open the side-doors of the DOLEV 800 and take off the light-proof covers.
   
   
3. Release loading system knob lockers and the wiring to the loading system, and pull the system out about 15 cm.
   
   
4. Remove the funnel
   
   
5. Before you dismantle the left or right film guide, it is necessary to take out the film guide next to it.
   
   
6. Release the screw under the film guide second to the left or the film guide second to the right and pull them out.
   
   
7. Release the screw under the film guide itself.
   
   
8. Release the Film Counter Connector and the Film In/Out Detector Connector and pull the Film Guide out.
   
   Note: Do not touch the side screw which is adjusted to fit the system.
   
   
9. Release the Film In/Out Detector (magnetic lever type) by releasing the two screws that hold it to the Film Guide.

Assembling the Film In/Out Detector

1. Set the new Film In/Out detector in its place.
   
   
2. Tighten the two screws that hold the Film In/Out detector to its Film Guide. Make sure that the end of the lever is not above the upper surface of the Film Guide and that the detector is operating smoothly.
   
   
3. Connect the Film In/Out connector and the Film Counter connector.
   
   
4. Replace the Film Guide (cubic) and the one next to it and tighten their screws.
   
   
5. Check/Adjust the Roller pressure tension (see procedure).
   
   
6. Re-install the funnel and make sure it is adjusted.
   
   
7. Replace the loading system and lock the knobs that lock it in place and reconnect the wiring.
   
   
8. Restart the DOLEV 800.

Check

1. Enter diagnostics program . Select utility detectors and check by pressing the magnetic lever down until the detector responds.
   
   
2. Perform a film feed and unload. Check for smooth, errorless operation.
   
   
3. Close the light proof covers and the side doors of the DOLEV 800.