Question about Umax Astra 4450 Flatbed Scanner

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Dead scanner UMAX ASTRA 4500 (not 4450, but it was the closest model, so I posted it here)

Dear expert(s) Please, could you try to help me with my dead scanner (UMAX ASTRA 4500, scans films too)? Following is a story about how my scanner died (I'm going to describe it in detail, and full honesty): 1. I spilled a cup of coffee on my desk, and some of it dripped onto my scanner below. Of course, I wiped it in an instant, but still some of the liquid got into the scanner. (and scanner still worked at that time) 2. Well, I know I shouln't have, but I unplugged it, opened it up, and gently and really really carefuly wiped off all the coffee that got inside the scanner, using a special towel for glass and medical alcohol. I think that no vital parts got wet, but I cannot be sure. 3. In the process I had to move the "head" (the thing that 'travels' up-and-down while scanning) manually, and I got no resistance there, ie. nothing broke, or so. I returned it to the starting position. 4. While at it, I also polished the glass from the inside, using the special liquid for cleaning the lcd and plasma screens. 5. Having done all that, I closed it up, pluged in, tried to use it, and --- it has croked! 6. When I try scanning - (from Photoshop) - I'm getting a message that "THE LAMP HAS NOT WARMED UP YET, AND I SHOUL WAIT 30 SECONDS" (I'm not shouting, just marking it's important :)), after that 30 seconds count-down, another message pops up, saying that "DEVICE DRIVER COULD NOT BE REACHED (OR SO), POWER IS OFF OR CABLE FAILURE". Or, I'm getting "ERROR CODE 177, SEARCH START POSITION ERROR". 7. It seems like the head won't move up-down, no light is turned on, and, when I power-up my computer, it no-longer produces the caracteristic sound - like the head is rolling in the scanner (I dunno how to describe it better). But, when locked, the signaling sound is heard. 8. Naturally, I downloaded and installed the latest driver for this scanner, I even bought a new usb and power cable - obviously nothing helped, or I wouldn't be writing this. I opened it up again, tried to inspect it for any obvious errors, but I don't see anything that may be causing the problem (like unpluged wires, or something like that). I tried to make it run while still open, to see if anything moves, but it didn't help. So, to end the story, can anyone tell me what could be the problem and could I possibly fix it myself? Are there any steps I can take to determin what croked, before I take it to repair-shop? Thanks for any help Sincerely, BQ

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BQ, seems like you've checked all the items. Have you (again) tried to adjust the head. The start position error and the lamp not warming up lead me to think something in that area of the head has been comprimised. Is the head assembly still on-track? Did your fingers touch the lamp? sometimes the oils in our fingers can cause the bulb to become damaged. At this point a repair man or a new one might be the answer. Let me know what happens. Good Luck, Tim

Posted on Mar 14, 2007


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