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I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product. You will receive $2.50 of store credit for Your review.
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
Troubleshooting
4.14.4 Signs and Measures at Poor toner cartridge
Fault Light image and partially blank image (The life is ended.) Signs � The printed image is light or unclean and untidy. Cause & Check Solution 1. All of 1, 2, 3 above(1)The weight of the developer ended: 800g ± 20g (2)If it become better by shaking, replace with a new developer after 50-100 sheets in the closing state of the life span. 2. In case of 2If it becomes better after cleaning the LSU window, then the developer is normal. (Because of foreign substance on the LSU window, the image has not been printed partly.)
1. If the image is light or unclean and untidy printed image Shake the developer and then recheck. � Some part of the (1)NG: Check the weight of the image is not printdeveloper ed. (2)OK: Lack of toner, so the life is nearly closed. � Periodically a noise 2. Some part of image is not as "tick tick" occurs. printed - Shake the developer and then recheck. (1)NG: Check the weight of the developer and clean the LSU window with a cotton swab, then recheck. (2)OK: Lack of toner, so the life is nearly closed. 3. Periodically a noise as "tick tick" occurs - Measure the cycle and the weight of the developer.
4. White vertical stripes on the whole screen or partly : Check the weight of the developer. Toner Contamination � Toner is fallen on the papers periodically. � Contaminated with toner on prints partly or over the whole surface. 1. Toner is fallen on the paper periodically. (1)Check the cycle of the falling of the toner. (2)Check the appearance of both ends of the developer OPC drum. 2.The center of the printed matter is contaminated with toner. (1)Check whether foreign substances or toner are stuck to the terminal (contact point) of the developer. (2)Check whether the state of the terminal assembly is normal.
3. In case of 3If the cycle of noise is about 2 seconds, the toner inside the developer has been nearly exhausted.( Purchase and replace with a new developer after using about 200 sheets at the point of occurrence) 4. In case of 3This is a phenomenon caused by lack of toner, so replace with a new developer. 1. If both ends of the OPC drum are contaminated with toner: Check the life of the developer. (In case of less than 820g, the life may be expired.)
2. Check whether it could be recycled.
3. If it cannot be recycled: Replace the developer.
Samsung Electronics
4-45
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