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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001104659-03-025944.txt : 20031112
<SEC-HEADER>0001104659-03-025944.hdr.sgml : 20031112
<ACCEPTANCE-DATETIME>20031112210338
ACCESSION NUMBER:		0001104659-03-025944
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031103
FILED AS OF DATE:		20031112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEVIN ROSEN FUND IV LP
		CENTRAL INDEX KEY:			0000879427

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29045
		FILM NUMBER:		03995630

	BUSINESS ADDRESS:	
		STREET 1:		TWO GALLERIA TOWER
		STREET 2:		13455 NOEL RD SUITE 1670
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9727021100

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			T/R SYSTEMS INC
		CENTRAL INDEX KEY:			0001095594
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				581958870
		STATE OF INCORPORATION:			GA
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		1300 OAKBROOK DR
		CITY:			NORCROSS
		STATE:			GA
		ZIP:			30093
		BUSINESS PHONE:		7704489008

	MAIL ADDRESS:	
		STREET 1:		1300 OAKBROOK DR
		CITY:			NORCROSS
		STATE:			GA
		ZIP:			30093
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>a4a.xml
<DESCRIPTION>4/A
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>
  <periodOfReport>2003-11-03</periodOfReport>
  <dateOfOriginalSubmission>2003-11-12</dateOfOriginalSubmission>
  <notSubjectToSection16>1</notSubjectToSection16>
    <issuer>
        <issuerCik>0001095594</issuerCik>
        <issuerName>T/R SYSTEMS INC</issuerName>
        <issuerTradingSymbol>TRSI</issuerTradingSymbol>
  </issuer>
  <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000879427</rptOwnerCik>
            <rptOwnerName>SEVIN ROSEN FUND IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13455 NOEL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1670</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
      <isDirector>0</isDirector>
      <isOfficer>0</isOfficer>
      <isTenPercentOwner>1</isTenPercentOwner>
      <isOther>0</isOther>
    </reportingOwnerRelationship>
  </reportingOwner>
  <nonDerivativeTable>
    <nonDerivativeTransaction>
      <securityTitle>
        <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
        <value>2003-11-03</value>
      </transactionDate>
      <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>D</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
        <footnoteId id="F1"/>
      </transactionCoding>
      <transactionTimeliness>
        <value></value>
      </transactionTimeliness>
      <transactionAmounts>
        <transactionShares>
          <value>1548350</value>
        </transactionShares>
        <transactionPricePerShare>
          <value>1.5748</value>
        </transactionPricePerShare>
        <transactionAcquiredDisposedCode>
          <value>D</value>
        </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>0</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </nonDerivativeTransaction>
  </nonDerivativeTable>
  <footnotes>
    <footnote id="F1">On 11/3/2003, T/R Systems, Inc. merged with a subsidiary of Electronics For Imaging, Inc.  As a result of the merger each common share of T/R Systems, Inc. was cancelled and converted into the right to receive a cash payment of $1.5748 per share.  </footnote>
  </footnotes>
  <ownerSignature>
    <signatureName>By: SRB Associates IV, L.P., General Partner By: John V. Jaggers, General Partner</signatureName>
    <signatureDate>2003-11-12</signatureDate>
  </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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