Document:

Exhibit
      4.15

    

    AMENDMENT
      WARRANT NO.: CCP-003

    

    THIS
      AMENDMENT AGREEMENT (the
      “Amendment”) is
      entered into as of September 15, 2006, between QUINTEK
      TECHNOLOGIES INC., a
      corporation organized and existing under the laws of the State of California
      (the “Company”),
      and
CORNELL
      CAPITAL PARTNERS, LP a
      Delaware limited partnership (the
      “Holder”).

    

    WHEREAS,
      the
      Company issued to the Holder on May 17, 2006 a certain warrant No.: CCP-003
      to
      purchase 12,500,000 shares of the Company’s Common Stock at an exercise price of
      $0.10 (the “Warrant”);
      and

    

    WHEREAS,
      the
      parties wish to amend the Warrant as set forth below. 

    

    NOW,
      THEREFORE,
      it is
      agreed: 

    

    
      	I.	
              Amendments.

            

    

    

    A. Section
      1(b)(xv) “Warrant
      Exercise Price”:
      Section 1(b)(xv) of the Warrant is hereby deleted in its entirety and the
      following language shall replace said Section 1(b)(xv):

    

    Section
      1(b)(xv) “Warrant
      Exercise Price”
shall
      be Six and one half Cents ($0.065) or as subsequently adjusted as provided
      in
      Section 8 hereof. 

    

    B. Section
      2(g) “Forced Exercise”: Section 2(g) of the Warrant is hereby deleted in its
      entirety and the following language shall replace said Section
      2(g):

    

    Forced
      Exercise.Provided
      the shares of Common Stock issuable here under are registered pursuant to an
      effective registration statement, the Company at its option shall have the
      right
      at any time and from time to time, if the Company’s Closing Bid Price as quoted
      by Bloomberg, LP is equal to or greater than Thirteen Cents ($0.13) (the
“Forced
      Exercise Price”)
      for
      twenty (20) consecutive Trading Days (the “Forced
      Exercise Pricing Period”),
      to
      force the Holder to exercise this Warrant in whole or in part during the next
      five (5) Trading Days. In such event the Company shall provide to the Holder
      written notice at the end of business, but not later than 5:30 pm EST, on the
      last Trading Day of the Forced Exercise Pricing Period (the “Forced
      Exercise Notice”).
      The
      Holder shall have the five (5) consecutive calendar days from the day following
      receipt of the Forced Exercise Notice, to exercise this Warrant in whole or
      in
      part at or above the Forced Exercise Price as the case maybe (“Forced
      Exercise Period”).
      Furthermore during the Forced Exercise Period the Company shall only be entitled
      to force the Holder to exercise an amount equal to one fifth (1/5th)
      the
      average daily volume of the shares of the Company’s Common Stock traded, as
      quoted by Bloomberg, LP, during the Forced Exercise Pricing Period. Furthermore
      the Holder shall have the right to reduce the number of shares of Common Stock
      the Company has forced the Holder to exercise hereunder during the Forced
      Exercise Period by such number of shares of the Company’s Common Stock exercised
      by the Holder during the Forced Exercise Pricing Period. Provided however in
      the
      event that the Closing Bid Price of the Company’s Common Stock, as quoted by
      Bloomberg, LP, during the Forced Exercise Period is lower than the Forced
      Exercise Price the Company shall not have the right to force the Holder to
      exercise this Warrant, in whole or in part.

    

    
      
         

      

      
         

        
          

        

      

      
         

      

       

    

    
      	
              II.

            	
              Miscellaneous.

            

    

    

    
      	 	
              A.

            	
              Except
                as provided hereinabove, all of the terms and conditions contained
                in the
                Warrant shall remain unchanged and in full force and
                effect.

            

    

    

    
      	 	
              B.

            	
              This
                Amendment is made pursuant to and in accordance with the terms and
                conditions of the Warrant.

            

    

    

    
      	 	
              C.

            	
              All
                capitalized but not defined terms used herein shall have those meanings
                ascribed to them in the Warrant.

            

    

    

    D. All
      provisions in the Warrant and any amendments, schedules or exhibits thereto
      in
      conflict with this Amendment shall be and hereby are changed to conform to
      this
      Amendment.

    

    [REMAINDER
      OF THIS PAGE INTENTIONALLY LEFT BLANK]

    

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

    IN
      WITNESS WHEREOF,
      the
      parties hereto have caused this Amendment to be executed by the undersigned,
      thereunto duly authorized, as of the date first set forth above.

    

    
      	 	
              COMPANY:

            
	 	
              QUINTEK
                TECHNOLOGIES INC.

            
	 	 
	 	
              By:
                /s/
                ROBERT A. STEELE

            
	 	
              Name Robert
                A. Steele

            
	 	
              Title: Chief
                Executive Officer

            
	 	 
	 	 
	 	
              CORNELL
                CAPITAL PARTNERS, LP

            
	 	
              By:
                Yorkville Advisors LLC

            
	 	
              Its:
                General Partner

            
	 	 
	 	
              By:
                /s/
                MARK ANGELO

            
	 	
              Name Mark
                Angelo

            
	 	
              Title: President
                & Portfolio Manager

            
	 	 

    

    

    
      
         

      

      
        3Exhibit
      4.16

    

    AMENDMENT
      WARRANT NO.: CCP-001 

    

    THIS
      AMENDMENT AGREEMENT (the
      “Amendment”) is
      entered into as of September 15, 2006, between QUINTEK
      TECHNOLOGIES INC., a
      corporation organized and existing under the laws of the State of California
      (the “Company”),
      and
CORNELL
      CAPITAL PARTNERS, LP a
      Delaware limited partnership (the
      “Holder”).

    

    WHEREAS,
      the
      Company issued to the Holder on May 17, 2006 a certain warrant No.: CCP-001
      to
      purchase 17,857,000shares of the Company’s Common Stock at an exercise price of
      $0.07 (the “Warrant”);
      and

    

    WHEREAS,
      the
      parties wish to amend the Warrant as set forth below. 

    

    NOW,
      THEREFORE,
      it is
      agreed: 

    

    
      	I.	
              Amendments.

            

    

    

    A. Section
      1(b)(xv) “Warrant
      Exercise Price”:
      Section 1(b)(xv) of the Warrant is hereby deleted in its entirety and the
      following language shall replace said Section 1(b)(xv):

    

    Section
      1(b)(xv) “Warrant
      Exercise Price”
shall
      be Five Cents ($0.05) or as subsequently adjusted as provided in Section 8
      hereof. 

    

    B. Section
      2(g) “Forced Exercise”: Section 2(g) of the Warrant is hereby deleted in its
      entirety and the following language shall replace said Section
      2(g):

    

    Forced
      Exercise.Provided
      the shares of Common Stock issuable here under are registered pursuant to an
      effective registration statement, the Company at its option shall have the
      right
      at any time and from time to time, if the Company’s Closing Bid Price as quoted
      by Bloomberg, LP is equal to or greater than Ten Cents ($0.10) (the
“Forced
      Exercise Price”)
      for
      twenty (20) consecutive Trading Days (the “Forced
      Exercise Pricing Period”),
      to
      force the Holder to exercise this Warrant in whole or in part during the next
      five (5) Trading Days. In such event the Company shall provide to the Holder
      written notice at the end of business, but not later than 5:30 pm EST, on the
      last Trading Day of the Forced Exercise Pricing Period (the “Forced
      Exercise Notice”).
      The
      Holder shall have the five (5) consecutive calendar days from the day following
      receipt of the Forced Exercise Notice, to exercise this Warrant in whole or
      in
      part at or above the Forced Exercise Price as the case maybe (“Forced
      Exercise Period”).
      Furthermore during the Forced Exercise Period the Company shall only be entitled
      to force the Holder to exercise an amount equal to one fifth (1/5th)
      the
      average daily volume of the shares of the Company’s Common Stock traded, as
      quoted by Bloomberg, LP, during the Forced Exercise Pricing Period. Furthermore
      the Holder shall have the right to reduce the number of shares of Common Stock
      the Company has forced the Holder to exercise hereunder during the Forced
      Exercise Period by such number of shares of the Company’s Common Stock exercised
      by the Holder during the Forced Exercise Pricing Period. Provided however in
      the
      event that the Closing Bid Price of the Company’s Common Stock, as quoted by
      Bloomberg, LP, during the Forced Exercise Period is lower than the Forced
      Exercise Price the Company shall not have the right to force the Holder to
      exercise this Warrant, in whole or in part.

    

    
      
         

      

      
         

        
          

        

      

      
         

      

       

    

    
      	II.	
              Miscellaneous.

            

    

    

    
      	 	
              A.

            	
              Except
                as provided hereinabove, all of the terms and conditions contained
                in the
                Warrant shall remain unchanged and in full force and
                effect.

            

    

    

    
      	 	
              B.

            	
              This
                Amendment is made pursuant to and in accordance with the terms and
                conditions of the Warrant.

            

    

    

    
      	 	
              C.

            	
              All
                capitalized but not defined terms used herein shall have those meanings
                ascribed to them in the Warrant.

            

    

    

    
      	
            	D.	
              All
                provisions in the Warrant and any amendments, schedules or exhibits
                thereto in conflict with this Amendment shall be and hereby are changed
                to
                conform to this Amendment.

            

    

    

    [REMAINDER
      OF THIS PAGE INTENTIONALLY LEFT BLANK]

    

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

    IN
      WITNESS WHEREOF,
      the
      parties hereto have caused this Amendment to be executed by the undersigned,
      thereunto duly authorized, as of the date first set forth above.

    

    

    
      	 	
              COMPANY:

            
	 	
              QUINTEK
                TECHNOLOGIES INC.

            
	 	 
	 	
              By:
                /s/
                ROBERT A. STEELE

            
	 	
              Name Robert
                A. Steele

            
	 	
              Title: Chief
                Executive Officer

            
	 	 
	 	 
	 	
              CORNELL
                CAPITAL PARTNERS, LP

            
	 	
              By:
                Yorkville Advisors LLC

            
	 	
              Its:
                General Partner

            
	 	 
	 	
              By:
                /s/
                MARK ANGELO

            
	 	
              Name Mark
                Angelo

            
	 	
              Title: President
                & Portfolio Manager

            
	 	 

    

    

    
      
         

      

      
        3

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