-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KwHQ3HS37J3XFY4HOQqhSwOG/BVbcx3NoGRj/nlAYJt88+upRD7Blh/DIWO++7+P
 K0n2zKRmjoC03v/c65Rq/w==

<SEC-DOCUMENT>0001140361-08-026811.txt : 20081201
<SEC-HEADER>0001140361-08-026811.hdr.sgml : 20081201
<ACCEPTANCE-DATETIME>20081201154653
ACCESSION NUMBER:		0001140361-08-026811
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081128
FILED AS OF DATE:		20081201
DATE AS OF CHANGE:		20081201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Steenburgh Frank D
		CENTRAL INDEX KEY:			0001431928

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17541
		FILM NUMBER:		081222277

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		866-535-2230

	MAIL ADDRESS:	
		STREET 1:		C/O PRESSTEK, INC.
		STREET 2:		2 GREENWICH OFFICE PARK
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRESSTEK INC /DE/
		CENTRAL INDEX KEY:			0000846876
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTING TRADES MACHINERY & EQUIPMENT [3555]
		IRS NUMBER:				020415170
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0101

	BUSINESS ADDRESS:	
		STREET 1:		2 GREENWICH OFFICE PARK
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831
		BUSINESS PHONE:		866-535-2230

	MAIL ADDRESS:	
		STREET 1:		2 GREENWICH OFFICE PARK
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-11-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000846876</issuerCik>
        <issuerName>PRESSTEK INC /DE/</issuerName>
        <issuerTradingSymbol>PRST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001431928</rptOwnerCik>
            <rptOwnerName>Steenburgh Frank D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PRESSTEK, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10 GLENVILLE STREET</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06831</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-11-28</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2008-11-28</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.2974</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James Van Horn, Attorney-in-Fact</signatureName>
        <signatureDate>2008-12-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----