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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Dataproducts LZR650 laser printer fault
I'm trying to resurrect a Dataproducts LZR650 laser printer that has
been lying idle for several years. Apart from paper pickup problems, it is exhibiting the following fault: http://members.optusnet.com.au/~fzab...650_100dpi.jpg (146KB) Is this a problem with the toner cartridge? Are the thick black stripes caused by the developer (?) roll? Note that the printer identifies itself as a "HP Laserjet series II". Note also that there is some minor ghosting approximately 9.5cm apart (9.5cm = pi * diameter of drum). This ghosting is not visible in the scanned image. - Franc Zabkar -- Please remove one 's' from my address when replying by email. |
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Dataproducts LZR650 laser printer fault
In message
Franc Zabkar wrote: I'm trying to resurrect a Dataproducts LZR650 laser printer that has been lying idle for several years. Apart from paper pickup problems, it is exhibiting the following fault: http://members.optusnet.com.au/~fzab...650_100dpi.jpg (146KB) AFAICT, this could be one of the following things: - Drum unit not being cleaned properly (cleaning blade dirty or damaged) - Clean drum cleaning blade - Replace drum unit - Fuser rollers dirty or damaged - Clean fuser rollers - Check fuser rollers for damage - No high voltage or damaged transfer corona wire (?) - Check high-voltage system - Check transfer corona wire (may be dirty) - Check discharge wire/brush Later. -- Phil. | Acorn RiscPC600 Mk3, SA202, 64MB, (valid address)| 6GB, video mods, 8xCD, framegrabber, http://www.philpem.dsl.pipex.com/ | Ethernet (i3 Etherlan600), Teletext Error 8472. Borg dumped. |
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