sane-project-backends/doc/umax/sane-umax-doc.tex

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\title{
\begin{figure}[h]
\centerline{\epsfxsize=9cm \epsffile{sane-logo.ps}}
\centerline{\epsfxsize=4cm \epsffile{umaxlogo.ps}}
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UMAX-backend for SANE - User's Guide }
\author{Oliver Rauch
{\tt <Oliver.Rauch@Wolfsburg.DE>}}
\date{6th march 1999}
\begin{document}
\maketitle
\newpage
\tableofcontents
\newpage
\section{User's Manual}
\subsection{Frontend functions and options:}
This backend dynamically enabels the options, scan-modes, etc. that are
supported by the scanner in dependence of the scanning-mode and other options.
\begin{figure}[h]
\centerline
{
\epsfysize=12cm \epsffile{sane-umax.ps}
\epsfysize=12cm \epsffile{sane-umax-histogram.ps}
}
\end{figure}
\subsubsection{Scan modes:}
The available scan modes depend on the scanner type!\\
\small
\begin{tabular}{|l|l|}
\hline
Mode&Remark\\
\hline
\hline
Lineart&1 bit/pixel black/white mode\\
Halftone&1 bit/pixel dithered black/white mode\\
Grayscale&8 / 9 / 10 / 12 / 14 / 16 bits/pixel gray mode\\
Color&24 / 27 / 30 / 36 / 40 / 48 bits/pixel RGB mode\\
\hline
\end{tabular}
\normalsize
\subsubsection{Scan sources:}
\begin{itemize}
\item Flatbed
\item Transparency adapter (UTA)
\item Automatic document feeder (ADF)
\end{itemize}
The UTA and the ADF are only selectable if they are available!
\subsubsection{Options:}
There are two kind of options: the standard options that are often used
and the \emph{advanced options}.\\
\begin{figure}[h]
\centerline{ \epsfxsize=5cm \epsffile{sane-umax-standard.ps}}
\end{figure}
\small
\begin{tabular}{|l|l|}
\hline
Option&Remark\\
\hline
\hline
Analog gamma correction&For color/intensity enhancement, value-range: 1..2,\\
&doesn't reduce the number of used colors!\\
&only supported by some scanners (e.g. Supervista S12).\\
\hline
Bit depth&Select image depth in bits/sample.\\
\hline
Bind RGB values&Use same values for each color, only selectable if such options are available\\
\hline
Brightness&Define brightness for halftone-mode.\\
\hline
Contrast&Define contrast for halftone-mode.\\
\hline
Custom gamma table&Digital gamma correction, for color/intensity enhancement!\\
&Side-effect: may reduce the number of used colors!\\
&For 30 and 36 bit scanners the used gamma table uses 30/36 input bits, so the\\
&reduction of the used colors is not so big!\\
\hline
Highlight&Define radiance level for highlight, only supported by some scanners.\\
\hline
Lamp warmup&Enable extended lamp warmup, only supported by some scanners.\\
\hline
Negative scan&Inverts color-intensity: for scanning negatives.\\
\hline
Quality calibration&Do quality white calibration.\\
\hline
Shadow&Define radiance level for shadow, only supported by some scanners.\\
\hline
Threshold&Define threshold for lineart-mode.\\
\hline
\end{tabular}
\normalsize
\newpage
On graphical frontends the \emph{advanced options}
may be disabled so the frontend-window keeps small.
To enable the \emph{advanced options}
take a look at the frontend's manual!\\
\begin{figure}[h]
\centerline{ \epsfxsize=6cm \epsffile{sane-umax-advanced.ps}}
\end{figure}
\small
\begin{tabular}{|l|l|}
\hline
Advanced Option&Remark\\
\hline
\hline
Cal. exposure time&Define exposure time for calibration,\\
&only supported by some scanners.\\
\hline
Cal. lamp density&Define lamp density for calibration,\\
&only supported by some scanners.\\
\hline
Scan exposure time&Define exposure time for scan,\\
&only supported by some scanners.\\
\hline
Scan lamp density&Define lamp density for scan,\\
&only supported by some scanners.\\
\hline
Set exposure time&Enable selection of exposure time,\\
&if not enabled, scanner uses default values.\\
\hline
Set lamp density&Enable selection of lamp density, if not\\
&enabled, scanner automatically selects a value.\\
\hline
Set scan lamp density&Enable selection of lamp density for scan, if not enabled\\
&scanner uses the value that was used for calibration.\\
\hline
\end{tabular}
\normalsize
\newpage
\section{ Installation Manual}
\subsection{Compilation and Installation}
The umax-backend is created and installed automatically while compiling
and installing SANE.
\subsection{Configuration:}
The configuration file for the UMAX-backend resides in
\begin{verbatim}
/usr/local/etc/sane.d/umax.conf.
\end{verbatim}
Its contents is a list of device names that correspond to UMAX scanners.
Empty lines and lines starting with a hash mark (\#) are ignored.
Lines starting with the word {\bf scsi} use variable device selection,
for further information take a look at sane-scsi.
A sample configuration file is shown below:
\begin{verbatim}
#scsi vendor model type bus channel id lun
scsi UMAX * * * * * *
/dev/scanner
# this is a comment
/dev/sge
\end{verbatim}
The special device name must be a generic SCSI device or a symlink to such a
device. To find out to which device your scanner is assigned and how you
have to set the permissions of that device, have a look at sane-scsi or
use the tool {\tt find-scanner}.
The file may include devices, that correspond to scanners by other vendors.
The Umax-backend will ignore these devices.
\subsection{SCSI adapter tips:}
The UMAX-scanners do block the scsi-bus for a few seconds while scanning.
It is not necessary to connect the scanner to its own SCSI-adapter.
But if you need short response time for your SCSI-harddisk (e.g. if your
computer is a file-server), I suggest you use an own SCSI-adapter for
your UMAX-scanner.\\
The SCSI-adapters that are shipped with some Umax-scanners are very simple ones.
I suggest not to use it. If you really want to try: the UDS-IS11 is a
DTC3181E-card based on the NCR5380-chip. On linux you may have the chance to get
it work with the recent g\_NCR5380-driver. The card does not have IRQ/DMA. Try the
following option for kernel/module:\\
dtc3181e=0x280,254\\
See the relevant hardware FAQs and HOWTOs for your platform for more information.\\
See also: sane-scsi
\subsection{Files:}
\begin{itemize}
\item The backend configuration file: /usr/local/etc/sane.d/umax.conf
\item The static library implementing this backend:
/usr/local/lib/libsane-umax.a
\item The shared library implementing this backend :
/usr/local/lib/libsane-umax.so
(present on systems that support dynamic loading)
\end{itemize}
\subsection{Environment:}
\begin{itemize}
\item SANE\_DEBUG\_UMAX
\item see sane-dll
\item see sane-scsi
\item see backends
\item see frontends
\end{itemize}
If the library was compiled with debug support enabled, this environment
variable controls the debug level for this backend. E.g., a value of 128
requests all debug output to be printed. Smaller levels reduce verbosity:
\subsubsection{SANE\_DEBUG\_UMAX values}
\small
\begin{tabular}{|l|l|}
\hline
Number&Remark\\
\hline
\hline
0&print important errors (printed each time)\\
1&print errors\\
2&print sense\\
3&print warnings\\
4&print scanner-inquiry\\
5&print informations\\
6&print less important informations\\
7&print called procedures\\
8&print reader-process messages\\
10&print called sane-init-routines\\
11&print called sane-procedures\\
12&print sane infos\\
13&print sane option-control messages\\
\hline
\end{tabular}
\normalsize
Example:
export SANE\_DEBUG\_UMAX=8
\newpage
\section{Supported scanners}
\bf{The umax-backend only supports SCSI-scanners, parallel- and USB-scanners are not supported!}
\small
\begin{tabular}{|l|l|l|c|c|c|c|c|c|c|}
\hline
Name&Vendor&SCSI-ID&F/W&Line-&Half-&Gray-&Color&Bits&Maximum\\
&&&Version&art&tone&scale&RGB&&resolution\\
\hline
\hline
UMAX scanners:&&&&&&&&&\\
Vista S6 &UMAX &Vista-S6 &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Vista S6E &UMAX &Vista-S6E &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Vista S6E &UMAX &UMAX S-6E &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Vista S6E &UMAX &UMAX S-6EG &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Vista S8 &UMAX &Vista-S8 &? &? &? &? &? &1,8,24 & 400 x 800\\
Supervista S12 &UMAX &UMAX S-12G &all &ok &-- &ok &ok &1,8,24 & 600 x 1200\\
Supervista S12 &UMAX &UMAX S-12 &all &ok &-- &ok &ok &1,8,24 & 600 x 1200\\
Supervista S12 &UMAX &Supervista S-12 &all &ok &-- &ok &ok &1,8,24 & 600 x 1200\\
Astra 600S &UMAX &Astra 600S &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Astra 610S &UMAX &Astra 610S &all &ok &-- &ok &ok &1,8,24 & 300 x 600\\
Astra 1200S &UMAX &Astra 1200S &all &ok &-- &ok &ok &1,8,24,30 & 600 x 1200\\
Astra 1220S &UMAX &Astra 1220S &all &ok &-- &ok &ok &1,8,24,36 & 600 x 1200\\
UC630 &UMAX &UC630 &not 1.6 &ok &? &bad &bad &1,8,24 & 300 x 300\\
UC630 &UMAX &UC630 &1.6 &ok &? &ok &ok &1,8,24 & 300 x 300\\
UG630 &UMAX &UG630 &all &ok &? &ok &-- &1,8 & 300 x 300\\
UG80 &UMAX &UG80 &all &ok &? &ok &-- &1,8 & 300 x 300\\
UC840 &UMAX &UC840 &not 1.6 &ok &? &bad &bad &1,8,24 & 400 x 400\\
UC840 &UMAX &UC840 &1.6 &ok &? &ok &ok &1,8,24 & 400 x 400\\
UC1200S &UMAX &UC1200S &? &bad &bad &bad &bad &1,8,24 & 600 x 600\\
UC1200SE &UMAX &UC1200S &? &? &? &? &? &1,8,24 & 600 x 600\\
UC1260 &UMAX &UC1260 &not 1.6 &? &? &? &? &1,8,24 & 600 x 1200\\
UC1260 &UMAX &UC1260 &1.6 &ok &? &ok &ok &1,8,24 & 600 x 1200\\
Mirage &UMAX &Mirage D-16L &? &? &? &? &? &1,8,24,30 & 700 x 1400\\
& & & & & & & & & 1400 x 2800\\
Mirage II &UMAX &Mirage II &? &? &? &? &? &1,8,24,36 & 700 x 1400\\
& & & & & & & & & 1400 x 2800\\
Mirage IIse &UMAX &Mirage IIse &? &? &? &? &? &1,8,24,36 & 700 x 1400\\
Vista T630 &UMAX &Vista-T630 &some &ok &-- &ok &ok &1,8,24 & 300 x 600\\
PageScan &UMAX &PSD &all &ok &-- &ok &ok &1,8,24 & 300 x 300\\
PowerLook &UMAX &unknown & & & & & & &\\
PowerLook II &UMAX &PL-II &some &ok &-- &ok &ok &1,8,24,36 & 600 x 1200\\
PowerLook III &UMAX &Power Look III &? &? &? &? &? &1,8,24,42 & 1200 x 2400\\
PowerLook 2000 &UMAX &Power Look 2000 &? &? &? &? &? &1,8,24,36 & 1200 x 2400\\
PowerLook 3000 &UMAX &Power Look 3000 &? &? &? &? &? &1,8,24,42 & 1220 x 3048\\
& & & & & & & & & 3048 x 3048\\
Gemini D-16 &UMAX &Gemini D-16 &? &ok &-- &ok &ok &1,8,24 & 400 x 800\\
& & & & & & & & & 800 x 1600\\
\hline
Linotype Hell scanners:&&&&&&&&&\\
Jade &LinoHell &Office &all &ok &-- &ok &ok &1,8,24 & 600 x 1200\\
Jade2 &LinoHell &Office2 &all &ok &-- &ok &ok &1,8,24,30 & 600 x 1200\\
Saphir &LinoHell &unknown & & & & & & &\\
Saphir2 &LinoHell &SAPHIR2 &all &ok &-- &ok &ok &1,8,24,36 & 600 x 1200\\
Saphir Ultra &LinoHell &unknown & & & & & & &\\
Saphir Ultra II &LinoHell &unknown & & & & & & &\\
Saphir HiRes &LinoHell &unknown & & & & & & &\\
Opal &LinoHell &unknown & & & & & & &\\
Opal Ultra &LinoHell &unknown & & & & & & &\\
\hline
Vobis/Highscreen scanners:&&&&&&&&&\\
Scanboostar Premium &LinoHell &Office2 &all &ok &-- &ok &ok &1,8,24,30 & 600 x 1200\\
\hline
Escom scanners:&&&&&&&&&\\
Image Scanner 256 &UMAX &UG80 &all &ok &? &ok &-- &1,8 & 300 x 300\\
\hline
Nikon scanners:&&&&&&&&&\\
AX-210 &Nikon &AX-210 &all(?) &ok &? &ok &-- &1,8,24 & 600 x 1200\\
\hline
\end{tabular}
\normalsize
If you own a UMAX-scanner other than the ones listed above, it may work with SANE.
It depends on the informations the scanner returns to the umax-backend. If the
data-block is large enough, the backend prints a warning and continues, but it is
possible that not everything works fine. I suggest you hold one hand on the
power-button of the scanner while you try the first scans!
\newpage
\section{General Informations}
\subsection{BUGS:}
\begin{itemize}
\item resolutions greater than 600 dpi sometimes don't work!
\end{itemize}
\subsection{Authors:}
Oliver Rauch
\subsection{See also:}
sane, introduction, backends, frontends, sane-scsi, sane-dll
\end{document}