Yikes. I think I got a severe case of coloredstriperitis.
Scanned color images show horizontal lines, one pixel high. The
colors of these lines are clearly off. They seem to lack one or two of
the RGB components.
I'm not sure if these are the horizontal stripes that are mentioned in
the SANE literature, because I only saw one example on the Mustek
backend homepage which looked quite different from my images.
Have a look at
<a href="http://www.xs4all.nl/~ferencj/stripe.gif">
www.xs4all.nl/~ferencj/stripe.html
</a>
for one of my images with this problem.
I have a Mustek ScanExpress 12000SP (says the cover) with
firmware 2.02 (says SANE). The scanner is tied to a nameless
NCR810 SCSI card, no other SCSI devices are involved.
Slackware 7.1, kernel 2.2.17 drives the linux box, ncr53c7,8xx.o
drives the card. SANE 1.0.4 with Mustek backend 1.0.4 compiles
flawlessly - BTW I only compile the backends mustek and v4l to save
time.
Changing the SCSI driver (to ncr53c8xx.o or sym53c8xx.o) doesn't
help. Neither does changing the resolution. Also, altering
mustek.conf doesn't help. I tried an active terminator on the unused
scanner port, scanner doesn't work at all.
I'm running out of options here.
Incidentally, the setup (SCSI card, -cable, scanner and SANE (don't
remember which version though)) used to work fine in another linux
machine.
Scanner also performs OK with Mustek s/w, but this is on another
machine, another cable, another card and of course on another OS.
Sorry to be a bit long, but I thought you'd want this information.
Please advise.
thanks for reading this far & cheers
Ferenc
PS: scanimage -L output:
[sanei_debug] Setting debug level of mustek to 5.
[mustek] SANE Mustek backend version 1.0 build 104 (SANE 1.0.4)
[mustek] sane_init: authorize != null
[mustek] sane_init: using sanei_scsi_open_extended
[mustek] sane_init: reading config file `mustek.conf'
[mustek] sane_init: config file line 1: strip-height set to 1 inches
[mustek] sane_init: config file line 2: trying to attach `/dev/scanner'
[mustek] attach: trying device /dev/scanner
[mustek] dev_open /dev/scanner
[mustek] dev_open: /dev/scanner is a SCSI device
[mustek] dev_open: wanted 8 kbytes, got 8 kbytes buffer
[mustek] attach: sending INQUIRY
[mustek] scsi_unit_wait_ready: sending TEST_UNIT_READY
[mustek] scsi_unit_wait_ready: TEST_UNIT_READY finished
[mustek] attach: SCSI Vendor: `SCANNER ' Model: ` ' Rev.: `2.02'
[mustek] attach: SCSI Type: Scanner; ANSI rev.: 1
[mustek] attach: SCSI flags:
[mustek] attach: inquiry output:
[mustek] 06 00 01 01 5b 01 00 00 53 43 41 4e 4e 45 52 20 ....[...SCANNER
[mustek] 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
[mustek] 32 2e 30 32 4d 55 53 54 45 4b 20 20 20 43 30 36 2.02MUSTEK C06
[mustek] 20 53 31 32 49 44 57 4d 31 32 33 37 39 37 01 40 S12IDWM123797.@
[mustek] 01 03 01 01 00 00 00 00 00 00 00 00 00 00 00 00 ................
[mustek] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff ................
[mustek] attach: found Mustek scanner (new firmware format)
[mustek] attach: old firmware revision system
[mustek] attach: firmware revision 2.02
[mustek] attach: scanner id: C06 S12IDW
[mustek] attach: this is probably a ScanExpress series A4 scanner
[mustek] attach: this is a single-pass scanner
[mustek] attach: scanner supports transparency adapter (TA)
[mustek] attach: scanner cover is closed
[mustek] attach: found Mustek ScanExpress 12000SP flatbed scanner, 1-pass, TA, SE
[mustek] sane_init: config file line 3: ignoring comment line
[mustek] sane_init: config file line 4: ignoring comment line
[mustek] sane_init: config file line 5: ignoring comment line
[mustek] sane_init: config file line 6: enabling lineart-fix for /dev/scanner
[mustek] sane_init: end
[mustek] sane_get_devices: 1 devices
[mustek] sane_get_devices: end
device `v4l:/dev/video0' is a V4L UNSET virtual device
device `mustek:/dev/scanner' is a Mustek ScanExpress 12000SP flatbed scanner
[mustek] sane_exit
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This archive was generated by hypermail 2b29 : Sun Jan 21 2001 - 00:41:35 PST
