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[Launchpad Bug Tracker <241781@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: hplip (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/241781

Title:
  hp photosmart 7450 communication problems.

Status in hplip package in Ubuntu:
  Incomplete

Bug description:
  My HP photosmart 7450 printer has been showing some communication problems since using Hardy.  Prior to this, I've been running Debian stable on exactly the same hardware without any printer problems.  The symptoms are:
  printer is detected as photosmart 7400 & appears to install correctly.  I can sometimes initially print one or two pages, then it locks up completely, I get a pop-up notice on the top panel about printer supplies low (although it isn't).  At this point, the printer firmware appears to have hung - it doesn't respond to front-panel button presses & the only way to get it to respond is to pull the power supply for a few seconds.  On reconnecting, it sometimes prints, sometimes doesn't.  
  I've tried uninstalling the hplip package and installing the latest version (2.8.5) from the hp website.  It didn't make any difference, the symptoms are unchanged.  

  It looks like there's another user with the same problem:
  http://ubuntuforums.org/showthread.php?t=809469&highlight=photosmart+7450 

  Following the advice from the debugging printer problems page:
  mike@badger:~$ lsmod |grep usb
  usb_storage            73664  0 
  libusual               19108  1 usb_storage
  usblp                  15872  0 
  usbhid                 31872  0 
  hid                    38784  1 usbhid
  usbcore               146028  8 usb_storage,libusual,usblp,usbhid,ehci_hcd,uhci_hcd
  scsi_mod              151436  5 usb_storage,sg,sr_mod,sd_mod,libata

  mike@badger:~$ tail -f /var/log/messages
  Jun 20 20:24:37 badger kernel: [  476.217222] scsi 2:0:0:0: [sdb] Sense not available.
  Jun 20 20:24:37 badger kernel: [  476.217230] scsi 2:0:0:0: [sdb] Write Protect is off
  Jun 20 20:24:37 badger kernel: [  476.324885] usb 4-1: new full speed USB device using uhci_hcd and address 3
  Jun 20 20:24:38 badger kernel: [  476.888758] usb 4-1: new full speed USB device using uhci_hcd and address 4
  Jun 20 20:24:39 badger kernel: [  477.456648] usb 4-1: new full speed USB device using uhci_hcd and address 5
  Jun 20 20:24:39 badger kernel: [  477.976533] usb 4-1: new full speed USB device using uhci_hcd and address 6
  Jun 20 20:37:20 badger -- MARK --
  Jun 20 20:57:20 badger -- MARK --
  Jun 20 21:17:20 badger -- MARK --
  Jun 20 21:37:20 badger -- MARK --
  Jun 20 21:41:19 badger kernel: [ 5077.147105] usb 4-1: new full speed USB device using uhci_hcd and address 7
  Jun 20 21:41:19 badger kernel: [ 5077.341241] usb 4-1: configuration #1 chosen from 1 choice
  Jun 20 21:41:19 badger kernel: [ 5077.349158] usblp0: USB Bidirectional printer dev 7 if 0 alt 0 proto 2 vid 0x03F0 pid 0xB802
  Jun 20 21:41:19 badger kernel: [ 5077.363071] scsi3 : SCSI emulation for USB Mass Storage devices
  Jun 20 21:41:24 badger kernel: [ 5082.381468] scsi 3:0:0:0: Direct-Access     HP       Photosmart 7400  1.00 PQ: 0 ANSI: 2
  Jun 20 21:41:24 badger kernel: [ 5082.398537] sd 3:0:0:0: [sdb] Attached SCSI removable disk
  Jun 20 21:41:24 badger kernel: [ 5082.398592] sd 3:0:0:0: Attached scsi generic sg3 type 0
  Jun 20 21:57:20 badger -- MARK --
  Jun 20 22:17:20 badger -- MARK --
  Jun 20 22:37:20 badger -- MARK --

  mike@badger:~$ lpinfo -v
  network socket
  network beh
  direct hpfax
  direct hal:///org/freedesktop/Hal/devices/usb_device_3f0_b802_CN4B82V0WBUJ_if0_printer_CN4B82V0WBUJ
  direct usb://HP/Photosmart%207400%20series?serial=CN4B82V0WBUJ
  direct hp:/usb/Photosmart_7400_series?serial=CN4B82V0WBUJ
  network http
  network ipp
  network lpd
  direct parallel:/dev/lp0
  file cups-pdf:/
  direct scsi
  network smb
  mike@badger:~$

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