Epson RX620 USB printing hassles

[thomasn]

Hi,

Using CUPS to set up a printer, as per Gentoo Printing Guide, and it is recognised and appears to install ok - it correctly detects the printer as an Epson Stylus Photo RX620 on USB#2 and offers the correct Gutenprint driver for it - but when I print to it, the CUPS admin page just shows "Printer not connected; will retry in 30 seconds..."

lsusb shows the printer:

[wynn]

With the printer switched on and connected, could you run

[thomasn]

Hi wynn,

[wynn]

Here are two rules which were constructed to allow two identical Epson D88 printers to be connected to the USB ports and attach to the same /dev/usb/lpN no matter which one was switched on. They went in /etc/udev/rules.d/10-local.rules. "10" to make sure they are executed before any of the standard rules

[thomasn]

With just the Epson RX620:

[wynn]

You've got GROUP="lp" for the Epson in /etc/udev/rules.d/10-local.rules but the group is being reset by a later rule to "scanner" and this may be preventing CUPS or the printer driver from accessing it.

You could test this theory by changing the group to lp manually and seeing if things started working.

If this is the problem then you will have to find the rule which is setting GROUP="scanner" and put a mdified version into 10-local.rules.

I don't know how iscan will take this though, you may have to switch back and forth depending on whether you want to print or scan.

And there may be a better solution which has escaped us both: is there an Epson forum you could post a question like this to? Does the iscan documentation talk about this?
_________________
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[thomasn]

Bingo!

That's it -- when I

[wynn]

[thomasn]

[lmcogs]

Well I don't understand what is going on. I have an epson rx620 and it just stopped printing although the scanner works. Both scanner and printer worked before. I had been searching this site and the web for answers but to no avail until I came across this thread and 'chgrp lp /dev/usb/lp1' works here too but I haven't a clue what is going on although it seems I have to do this each time I boot. I have tried removing and re emerging all cups related stuff but to no avail.

[orange_juice]

Yup! Worked for me too, thank you.

[lmcogs]

This is driving me nuts and it's still not solved. Everything is working when I do chgrp lp /dev/usb/lp0. However, this would be ok for me but not my wife or daughter whom I have using linux without them knowing the nitty gritty. But they can't print which is really no good. I have been over this thread and the thread suggested but can't find an answer or understand the problem. I have tried fiddling with groups and udev rules but no.
I am using cups-1.2.12-r2 on 2.6.22-gentoo-r9

lpinfo -v
network socket
network beh
direct usb://EPSON/Stylus%20Photo%20RX620
network http
network ipp
network lpd
direct scsi
serial serial:/dev/ttyS0?baud=115200


lsusb -v -d 04b8:0811

Bus 001 Device 005: ID 04b8:0811 Seiko Epson Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x04b8 Seiko Epson Corp.
idProduct 0x0811
bcdDevice 1.00
iManufacturer 1 EPSON
iProduct 2 USB2.0 MFP(Hi-Speed)
iSerial 3 L69030501191615010
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 78
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 4 USB2.0 MFP(Hi-Speed)
bmAttributes 0xc0
Self Powered
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 5 EPSON Scanner
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 2 Bidirectional
iInterface 6 USB2.0 Printer
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 7 USB2.0 Mass Storage
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x07 EP 7 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x88 EP 8 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered

[sprazza]

Hi All,
Did you get this solved? I had much the same problems with my multifunction: Epson Stylus CX4100. Exactly the same work-around, i.e. changing group permissions when wanting to print.
I've solved it in my case - perhaps try for yours - I think you basically had the solution right under your nose!
You can obviously see that the ownership in the udev rules are clashing. I've found that changing the ownership in the udev libsane-rules from scanner to lp for the appropriate device works fine. In my case this doesn't stuff up scanning either (through xsane).

[lmcogs]

Well sprazza that was exactly it. I did what you described and both scanner and printer working. So easy after all.

Thanks

[orange_juice]

[lmcogs]

ATTRS{idVendor}=="04b8", ATTRS{idProduct}=="0811", MODE="660", GROUP="lp"
working here ok

[orange_juice]

[lmcogs]

No amd64 here too and works perfectly. What printer and I presume printer worked before? Did you reboot ?

sane-backends-1.0.18-r4, media-gfx/xsane-0.994, net-print/cups-1.3.4-r3 here

[orange_juice]

[lmcogs]

What does groups give?
groups
root bin daemon sys adm disk lp wheel floppy dialout tape video

lpinfo -v
network socket
network beh
direct usb://EPSON/Stylus%20Photo%20RX620
network http
network ipp
network lpd
direct scsi



scanimage -L
device `epkowa:libusb:002:004' is a Epson Stylus Photo RX620/RX630 flatbed scanner
device `epson:libusb:002:004' is a Epson PM-A870 flatbed scanner

Maybe unmerge sane-banckend, xsane, cups and libsane rule and reemerge reboot and see what happens.

[orange_juice]

[mc_barron]

This command is genius:

[ascompltd]

Hi Guys just picked up on this one....

The problem is that fundamentally the RX620 gets picked up as a scanner first and foremost so you need to write a udev rule giving group permissions to the scanner so that cups can print.

Amending the entry in /etc/udev/rules/75-iscan.rules so that the entry for RX620 has more that group scanner permissions allows a persistent fix for this.

[orange_juice]