Scanner Testing - Revision history

Koopa at 19:30, 26 June 2008

2008-06-26T19:30:25Z

Koopa at 21:33, 25 June 2008

2008-06-25T21:33:50Z

Koopa at 06:28, 28 April 2008

2008-04-28T06:28:52Z

Koopa at 06:23, 10 March 2008

2008-03-10T06:23:33Z

MichaelWestwind: /* SCSI */

2006-03-11T21:02:26Z

SCSI

MichaelWestwind: /* Parallel */

2005-10-18T03:25:20Z

Parallel

MichaelWestwind: /* USB */ reversed mA and A

2005-10-18T03:24:31Z

USB: reversed mA and A

192.168.2.123: /* USB */

2005-10-07T20:26:29Z

USB

192.168.2.123 at 20:22, 7 October 2005

2005-10-07T20:22:19Z

DiZ: /* USB */

2005-10-07T19:44:27Z

USB

@@ Line 5: / Line 5: @@
 usb [label="Does it have a usb port?"]
 other [label="Does it require an\nexternal power supply?"]
-recycle [label="Follow Recycling flowchart.", shape="box"]
+recycle [label="Follow Recycling Prep flowchart.", shape="box"]
 testing [label="Follow instructions for testing.", shape="box"]

← Older revision		Revision as of 21:33, 25 June 2008
Line 1:		Line 1:
		+	<graphviz>
		+	digraph{
		+
		+	start [label="Start", shape="box"]
		+	usb [label="Does it have a usb port?"]
		+	other [label="Does it require an\nexternal power supply?"]
		+	recycle [label="Follow Recycling flowchart.", shape="box"]
		+	testing [label="Follow instructions for testing.", shape="box"]
		+
		+	start -> usb
		+	usb -> other [label="YES"]
		+	usb -> recycle [label="NO"]
		+	other -> recycle [label="YES"]
		+	other -> testing [label="NO"]
		+
		+	}
		+	</graphviz>
		+
	'''Scanner testing''' is done at the testing computer in [[Printerland]].		'''Scanner testing''' is done at the testing computer in [[Printerland]].

@@ Line 1: / Line 1: @@
-'''Scanner testing''' is done at the computer in [[Printerland]].
+'''Scanner testing''' is done at the testing computer in [[Printerland]].
- Scanners that fail any/all of the following steps go in "Scanners" box next to the cartridges on the shelves.
+#Grab a scanner.
 #Plug the USB cord from the computer into the USB port of the scanner.
-#Select a scanner
+#Click on Applications > Graphics > Xsane.
 #Xsane will either find the scanner and open up a preview pane or it will tell you that a device has not been found.
 #If xsane does not find any devices, wait a minute and try again (sometimes the scanner needs to warm up first) .
 #*Close Xsane, unplug the USB and plug it back in and open Xsane again.
 #*If Xsane still finds no device, the scanner is not functioning or Linux does not support the scanner.
-#**To make sure that Linux supports the scanner.  Look on sane-project.org in a web-browser.
+#*To make sure that Linux supports the scanner.  Look on sane-project.org in a web-browser.
-#***Click on "Supported devices."  Then under "Sane Development (CVS) Version," click on "Ordered by Manufacturer."  Browse the listed devices to ensure that the scanner which is being tested is supported.
+#*Click on "Supported devices."  Then under "Sane Development (CVS) Version," click on "Ordered by Manufacturer."  Browse the listed devices to ensure that the scanner which is being tested is supported.
-#***If the scanner is supported, this probably means that the scanner is not functioning.  Mark an "X" over the scanner's ID # and write the number on the Tally sheet under Recycle.  Take the scanner to the Gaylords, to the  [[CBM]] bin in order to recycle it.
+#*If the scanner is supported, this probably means that the scanner is not functioning.
-#***If the scanner is not supported, set scanner aside with a note on the ID# so that it may be tested on another system.
+#If Xsane  finds a device, it will open a preview pane.  Put in an image to scan. (a magazine cover with both text and pictures is good.)
 #*Click preview to scan the image.
 #*Look for color variations, wavy lines, empty scan lines.  The most frequent problem is blotchy, weird color.  Some scanners miss lines, which will show up as black streaks on the resulting image (best seen at high resolution).
-If the scanner passes the tests, then write "OK" on the ID # sticker and the highest dpi (dots per square inch - resolution) tested on the label.
+If the scanner fails at any point, process as if it had failed the first step of [[Scanner Evaluation]].
- Tested OK scanners can be sent to the [[Thrift Store]].
+If the scanner produces a good image, then write "OK" on the ID # sticker and the highest dpi (dots per square inch - resolution) tested on the label. If you don't know the dpi, google the model number and "dpi" to find it. Place the scanner on the outgoing cart.
 [[Category:Scanners]]
 [[Category:Hardware Testing]]
 [[Category:Howto]]

@@ Line 1: / Line 1: @@
-'''Scanner testing''' is done at the scanner testing station in printerland.  This is the desk at the extreme NE corner of the warehouse (next to the windows that are covered with black carboard).
+'''Scanner testing''' is done at the computer in [[Printerland]].
-The test computer set up there has both standard and development scanner backends.
+ Scanners that fail any/all of the following steps go in "Scanners" box next to the cartridges on the shelves.
 #Select a scanner
-#Locate a suitable power supply
+#Locate a suitable power supply.
 #*Locate the output voltage and amps specifications on the bottom or side of the scanner.
 #*Locate a power supply that matches the scanner for both its voltage and its amps.
@@ Line 29: / Line 26: @@
 #*Alter the resolution to a higher number and scan the image to further test the scanner.
-If the scanner fails at any point, record the number on the Tally sheet, place an "X" through the ID # and put the scanner in the [[CBM]] bin.
+If the scanner fails at any point, put it in the Scanner box next to the ink cartridges.
 If the scanner passes the tests, then write "OK" on the ID # sticker and the highest dpi (dots per square inch - resolution) tested on the label.
-Tested OK scanners can be sent to the [[Thrift Store]] or used for [[Hardware Grants]].  Place the OK scanners on a shelf with a piece of paper indicating the destination of the scanner.  Be sure to keep a functioning power supply with the OK scanners.
+ Tested OK scanners can be sent to the [[Thrift Store]].
-−
 [[Category:Scanners]]
 [[Category:Hardware Testing]]
 [[Category:Howto]]

@@ Line 42: / Line 42: @@
 * there is probably a way of deleting devices no longer being used
 * check for the device being used (e.g. /dev/sg0)
-* make sure the device is usable by members of the scsi group
+* make sure the device is usable by members of the scanner group
 ** "chgrp scanner <device>"
 ** "chmod 660 <device>"

← Older revision		Revision as of 03:25, 18 October 2005
Line 56:		Line 56:
	[[Category:Scanners]]		[[Category:Scanners]]
	[[Category:Hardware Testing]]		[[Category:Hardware Testing]]
		+	[[Category:Howto]]

@@ Line 10: / Line 10: @@
 #*Locate the output voltage and amps specifications on the bottom or side of the scanner.
 #*Locate a power supply that matches the scanner for both its voltage and its amps.
-#**Most scanners use a 12V 1.25mA (1,250 A) positive center power supply, but there are many exceptions.
+#**Most scanners use a 12V 1.25A (1,250mA) positive center power supply, but there are many exceptions.
-#**It can be helpful to mark a 12V 1.25mA power supply as a functioning power supply with which to initially test scanners since this is a common power supply.   After a scanner with 12V 1.25mA specs has been tested and proves to be functioning, test another 12V 1.24mA power supply to keep with the functioning scanner.
+#**It can be helpful to mark a 12V 1.25A power supply as a functioning power supply with which to initially test scanners since this is a common power supply.   After a scanner with 12V 1.25A specs has been tested and proves to be functioning, test another 12V 1.24A power supply to keep with the functioning scanner.
 #Make sure the scanner is unlocked (not all scanner have locks).  If the scanner has a lock, it functions to block the power outlet and must be slid to the side in order to allow a power supply to be plugged in.
 #Plug the USB cord from the computer into the USB port of the scanner and plug in the power supply.

@@ Line 23: / Line 23: @@
 #***Click on "Supported devices."  Then under "Sane Development (CVS) Version," click on "Ordered by Manufacturer."  Browse the listed devices to ensure that the scanner which is being tested is supported.
 #***If the scanner is supported, this probably means that the scanner is not functioning.  Mark an "X" over the scanner's ID # and write the number on the Tally sheet under Recycle.  Take the scanner to the Gaylords to recycle it.
-#***If the scanner is not supported, set scanner aside so that it may be tested on another
+#***If the scanner is not supported, set scanner aside so that it may be tested on another system.
-#If xsane does find a device, it will open a preview pane.  Put in an image to scan. (a magazine cover with both text and pictures is good.)
+#If xsane  find a device, it will open a preview pane.  Put in an image to scan. (a magazine cover with both text and pictures is good.)
 #Preview and then scan the image.
 #Look for color variations, wavy lines, empty scan lines.  The most frequent problem is blotchy weird color.  Some scanners miss lines, which will show up as black streaks on the resulting image (best seen at high resolution).