LinuxQuestions.org - printer stopped working

Hi
I am using openSUSE 11.4, I also have a network printer(Zerox Phaser 3160)on my home network. Everything worked fine until Tuesday when i tried to print something and nothing happened. Here is the tail of my CUPS error log
Code:
D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[6]="CUPS_SERVERROOT=/etc/cups"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[7]="CUPS_STATEDIR=/var/run/cups"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[8]="HOME=/var/spool/cups/tmp"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[9]="PATH=/usr/lib/cups/filter:/usr/bin:/usr/sbin:/bin:/usr/bin"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[10]="SERVER_ADMIN=root@linux-w6sx"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[11]="SOFTWARE=CUPS/1.4.6"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[12]="TMPDIR=/var/spool/cups/tmp"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[13]="USER=root"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[14]="CUPS_SERVER=/var/run/cups/cups.sock"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[15]="CUPS_ENCRYPTION=IfRequested"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[16]="IPP_PORT=631"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[17]="CHARSET=utf-8"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[18]="LANG=en_US.UTF-8"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[19]="PPD=/etc/cups/ppd/Phaser.ppd"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[20]="RIP_MAX_CACHE=8m"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[21]="CONTENT_TYPE=application/postscript"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[22]="DEVICE_URI=ipp://192.168.0.4"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[23]="PRINTER_INFO=Phaser 3160N Laser"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[24]="PRINTER_LOCATION="

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[25]="PRINTER=Phaser"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[26]="CUPS_FILETYPE=document"

D [03/Oct/2012:13:00:37 +0930] [Job 106] envp[27]="FINAL_CONTENT_TYPE=printer/Phaser"

D [03/Oct/2012:13:00:37 +0930] [Job 106] Started filter /usr/lib/cups/filter/pstops (PID 8772)

D [03/Oct/2012:13:00:37 +0930] [Job 106] Started filter /usr/lib/cups/filter/rastertosamsungspl (PID 8773)

D [03/Oct/2012:13:00:37 +0930] [Job 106] Started backend /usr/lib/cups/backend/ipp (PID 8774)

D [03/Oct/2012:13:00:37 +0930] [Job 106] Page = 612x792; 12,12 to 600,780

D [03/Oct/2012:13:00:37 +0930] [Job 106] slow_collate=0, slow_duplex=0, slow_order=0

D [03/Oct/2012:13:00:37 +0930] [Job 106] Before copy_comments - %!PS-Adobe-3.0

D [03/Oct/2012:13:00:37 +0930] [Job 106] %!PS-Adobe-3.0

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%Creator: PScript5.dll Version 5.2.2

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%Title: Narrated Lecture - RULA.pdf

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%LanguageLevel: 2

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%DocumentSuppliedResources: (atend)

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%DocumentMedia: plain 612 792 0 () ()

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%BoundingBox: 0 0 612 792

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%Pages: 12

D [03/Oct/2012:13:00:37 +0930] [Job 106] %%EndComments

D [03/Oct/2012:13:00:37 +0930] [Job 106] Before copy_prolog - %%BeginDefaults

D [03/Oct/2012:13:00:37 +0930] [Job 106] Before copy_setup - %%BeginSetup

D [03/Oct/2012:13:00:37 +0930] [Job 106] STATE: +connecting-to-device

D [03/Oct/2012:13:00:37 +0930] [Job 106] Looking up "192.168.0.4"...

D [03/Oct/2012:13:00:37 +0930] [Job 106] Copying print data...

D [03/Oct/2012:13:00:37 +0930] [Job 106] backendRunLoop(print_fd=-1, device_fd=6, snmp_fd=5, addr=0x7fbe9b2b3928, use_bc=0, side_cb=0x7fbe9b0a7bf0)

D [03/Oct/2012:13:00:37 +0930] [Job 106] GPL Ghostscript  9.00: Unrecoverable error, exit code 1

D [03/Oct/2012:13:00:37 +0930] [Job 106] Set job-printer-state-message to "Failed to load the PPM image", current level=ERROR

D [03/Oct/2012:13:00:37 +0930] [Job 106] Backend returned status 1 (failed)

D [03/Oct/2012:13:00:37 +0930] [Job 106] Printer stopped due to backend errors; please consult the error_log file for details.

D [03/Oct/2012:13:00:37 +0930] [Job 106] End of messages

D [03/Oct/2012:13:00:37 +0930] [Job 106] printer-state=5(stopped)

D [03/Oct/2012:13:00:37 +0930] [Job 106] printer-state-message="Empty print file!"

D [03/Oct/2012:13:00:37 +0930] [Job 106] printer-state-reasons=paused

E [03/Oct/2012:13:04:13 +0930] Returning HTTP Forbidden for CUPS-Reject-Jobs (ipp://localhost:631/printers/Phaser) from localhost

E [03/Oct/2012:13:05:38 +0930] [Job 106] Stopping unresponsive job!
I think this line is the problem
E [03/Oct/2012:13:00:37 +0930] [Job 106] Failed to load the PPM image

The question is how do i fix it

As always thank in advance for your help