<PAGE>   1
                UNITED STATES SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 20549

                                  FORM 10-K/A

                                Amendment No. 1

[X] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange
    Act of 1934

                    For the fiscal year ended June 30, 1997

                                       or

[ ] Transition report pursuant to Section 13 or 15(d) of the Securities
    Exchange Act of 1934

          For the transition period from _____________to_____________

Commission file number:

                        KENTEK INFORMATION SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                              <C>                           <C>       
          DELAWARE                          3577                     22-2406249
(State or other jurisdiction of  (Primary Standard Industrial  (I.R.S. Employer
incorporation or organization)    Classification Code Number)  Identification Number)
</TABLE>

                    2945 Wilderness Place, Boulder, CO 80301
              (Address of principal executive offices) (Zip code)

       Registrant's telephone number, including area code: (303) 440-5500

Securities registered under Section 12(b) of the Act:  NONE
Securities registered under Section 12(g) of the Act: COMMON STOCK, $.01 PAR
VALUE

Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. 
(1) Yes [X] No[ ]
(2) Yes [X] No[ ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained to the
best of Registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to
this Form 10-K [ ].

         On August 29, 1997, the bid and ask prices of the Common Stock were
$9.50 and $9.88, respectively. The aggregate market value of the voting stock
of the Issuer held by non-affiliates based on the average bid and ask prices on
August 29, 1997 was $48,888,550.


     On August 29, 1997, 6,985,351 shares of the Registrant's Common Stock
                               were outstanding.


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                               TABLE OF CONTENTS

ITEM                                                             PAGE NO
----                                                             -------
Item 14.  Exhibits, Financial Statement Schedules and 
          Reports on Form 8-K........................................2

SIGNATURE.  .........................................................3


PART IV.

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

(a)      The following documents are filed as part of this Annual Report on
         Form 10-K.

                   1. Financial Statements: The financial statements of the
                   Company are included in Item 8 of this report. See Index to
                   Financial Statements (F-1) on Page 12.

                   2. Financial Statement Schedules: Financial statement
                   schedules required under the related instructions are
                   applicable for the period ended June 30, 1997, 1996 and
                   1995, and are therefore included in Item 8.

                   3. Exhibits: The exhibits which are filed with this Report
                   or which are incorporated herein by reference are set forth
                   in the Exhibit Index below.

(b)      Reports on Form 8-K.

                   1. On May 16, 1997, the Company filed a report on Form 8-K
                   in which it reported the dismissal of BDO Seidman LLP as its
                   principal accountant effective as of that date.

                   2. On May 27, 1997, the Company filed an amended report on
                   Form 8-K/A to include the response letter of BDO Seidman
                   LLP.

                   3. On June 3, 1997, the Company filed a report on Form 8-K
                   in which it reported the engagement of Deloitte & Touche LLP
                   as independent auditors for fiscal year ended June 30, 1997.

                                    EXHIBITS

EXHIBIT NUMBER       DESCRIPTION OF DOCUMENT
--------------       -----------------------

3(i).1+           -- Amended and Restated Certificate of Incorporation of the
                     Registrant.

3(ii).1+          -- Bylaws of the Registrant.

4.1+              -- Reference is made to Exhibits 3(i).1 and 3(ii).1.

4.2+              -- Specimen Stock Certificate.

10.1+             -- Form of Indemnity Agreement entered into between the
                     Registrant and its directors and executive officers.

10.2+             -- Common Stock Registration Rights Agreement, dated as of
                     October 5, 1984, as amended.

10.3+             -- Series A Convertible Preferred Stock Purchase Agreement,
                     dated as of October 5, 1984, as amended.

10.4+             -- Amended and Restated 1992 Stock Option Plan of the
                     Registrant (the "Option Plan").

10.5+             -- Form of Option granted to persons other than non-employee
                     directors under the Option Plan.

10.6+             -- Form of Option granted to non-employee directors under the
                     Option Plan.

10.7+             -- Employment Agreement between the Registrant and Philip W.
                     Shires, dated April 1, 1989.

10.8+             -- Lease Agreement between the Registrant and Security
                     Connecticut Life Insurance Company, dated September 20,
                     1990, as amended.

10.9+             -- Lease Agreement between the Registrant and Pine Property
                     Limited Partnership, dated July 15, 1992, as amended.

10.10+            -- Lease Agreement between the Registrant and BFN Company,
                     dated September 28, 1994.

10.11+            -- Agreement on Bank Transactions and translation between
                     Nippon Kentek Kaisha, Ltd. and The Dai-Ichi Kangyo Bank,
                     Limited, dated as of July 2, 1984.

10.12+            -- Agreement on Purchase or Negotiation of Bills and
                     translation between Nippon Kentek Kaisha, Limited and The
                     Dai-Ichi Kangyo Bank, Limited, dated as of July 2, 1984.

10.12(a)+         -- Security Agreement between the Registrant and the Dai-Ichi
                     Kangyo Bank, Limited, dated as of July 2, 1992, as amended.

10.12(b)+         -- Guaranty between the Registrant and The Dai-Ichi Kangyo
                     Bank, Limited, dated as of July 2, 1992.

10.13+            -- Credit and Security Agreement between the Registrant and
                     Colorado National Bank, dated as of November 2, 1994, as
                     amended.

10.15+            -- Sales/Purchase Contract between Nippon Kentek Kaisha
                     Limited and Kao Corporation, dated October 1, 1991.

10.16+            -- Letter Agreement between the Registrant and Lexmark
                     International, Inc., dated May 10, 1993.

10.17+            -- Addendum Agreement between the Registrant and Lexmark
                     International, Inc., dated November 17, 1994.

10.18+            -- Agreement between the Company and Hewlett-Packard Company,
                     dated March 22, 1994.

10.19+            -- Purchase Agreement between the Company and Siemens Nixdorf
                     Printing Systems, L.P., dated February 3, 1992, as amended.

10.20++           -- Purchase Agreement between the Company and Tally Printer 
                     Corporation, dated April 20, 1996 and Amendment No. 1 to
                     the Purchase Agreement, dated April 16, 1997.

10.21+++          -- Lease Agreement between the Registrant and Avalon
                     Investment Company, dated March 18, 1997, and Assignment
                     and Consent Agreement, dated March 31, 1997.

13.1*             -- Report on Form 10-Q for the period ending March 31, 1997.

13.2**            -- Report on Form 10-Q for the period ending December 31,
                     1996.

13.3***           -- Report on Form 10-Q for the period ending September 30,
                     1996.

21.1+             -- List of subsidiaries of the Registrant.

27+++             -- Financial Data Schedules.

+        Previously filed with the Commission as an exhibit to the Registrant's
         Registration Statement on Form S-1 (File No. 333-1606) and
         incorporated herein by reference.

++       Certain confidential information contained in this document has been
         filed with the Securities and Exchange Commission pursuant to 
         Rule 2.4(b)(2) of the Securities Exchange Act of 1934, as amended.

+++      Previously filed with the Commission as an exhibit to the Registrant's
         Form 10-K originally filed with the Commission on September 26, 1997.

*        Previously filed with the Commission on May 15, 1997.

**       Previously filed with the Commission on February 13, 1997.

***      Previously filed with the Commission on November 13, 1996.



                                       2
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                                  SIGNATURE

         Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.

                                  KENTEK INFORMATION SYSTEMS, INC.

                                  By       /s/  PHILIP W. SHIRES
                                           Philip W. Shires
                                           President and Chief Executive Officer
                                           December 17, 1997




                                       3
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                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
EXHIBIT NUMBER       DESCRIPTION OF DOCUMENT
--------------       -----------------------
<S>                  <C>
3(i).1+           -- Amended and Restated Certificate of Incorporation of the
                     Registrant.

3(ii).1+          -- Bylaws of the Registrant.

4.1+              -- Reference is made to Exhibits 3(i).1 and 3(ii).1.

4.2+              -- Specimen Stock Certificate.

10.1+             -- Form of Indemnity Agreement entered into between the
                     Registrant and its directors and executive officers.

10.2+             -- Common Stock Registration Rights Agreement, dated as of
                     October 5, 1984, as amended.

10.3+             -- Series A Convertible Preferred Stock Purchase Agreement,
                     dated as of October 5, 1984, as amended.

10.4+             -- Amended and Restated 1992 Stock Option Plan of the
                     Registrant (the "Option Plan").

10.5+             -- Form of Option granted to persons other than non-employee
                     directors under the Option Plan.

10.6+             -- Form of Option granted to non-employee directors under the
                     Option Plan.

10.7+             -- Employment Agreement between the Registrant and Philip W.
                     Shires, dated April 1, 1989.

10.8+             -- Lease Agreement between the Registrant and Security
                     Connecticut Life Insurance Company, dated September 20,
                     1990, as amended.

10.9+             -- Lease Agreement between the Registrant and Pine Property
                     Limited Partnership, dated July 15, 1992, as amended.

10.10+            -- Lease Agreement between the Registrant and BFN Company,
                     dated September 28, 1994.

10.11+            -- Agreement on Bank Transactions and translation between
                     Nippon Kentek Kaisha, Ltd. and The Dai-Ichi Kangyo Bank,
                     Limited, dated as of July 2, 1984.

10.12+            -- Agreement on Purchase or Negotiation of Bills and
                     translation between Nippon Kentek Kaisha, Limited and The
                     Dai-Ichi Kangyo Bank, Limited, dated as of July 2, 1984.

10.12(a)+         -- Security Agreement between the Registrant and the Dai-Ichi
                     Kangyo Bank, Limited, dated as of July 2, 1992, as amended.

10.12(b)+         -- Guaranty between the Registrant and The Dai-Ichi Kangyo
                     Bank, Limited, dated as of July 2, 1992.

10.13+            -- Credit and Security Agreement between the Registrant and
                     Colorado National Bank, dated as of November 2, 1994, as
                     amended.

10.15+            -- Sales/Purchase Contract between Nippon Kentek Kaisha
                     Limited and Kao Corporation, dated October 1, 1991.

10.16+            -- Letter Agreement between the Registrant and Lexmark
                     International, Inc., dated May 10, 1993.

10.17+            -- Addendum Agreement between the Registrant and Lexmark
                     International, Inc., dated November 17, 1994.

10.18+            -- Agreement between the Company and Hewlett-Packard Company,
                     dated March 22, 1994.

10.19+            -- Purchase Agreement between the Company and Siemens Nixdorf
                     Printing Systems, L.P., dated February 3, 1992, as amended.

10.20++           -- Purchase Agreement between the Company and Tally Printer 
                     Corporation, dated April 20, 1996 and Amendment No. 1 to
                     the Purchase Agreement, dated April 16, 1997.

10.21+++          -- Lease Agreement between the Registrant and Avalon
                     Investment Company, dated March 18, 1997, and Assignment
                     and Consent Agreement, dated March 31, 1997.

13.1*             -- Report on Form 10-Q for the period ending March 31, 1997.

13.2**            -- Report on Form 10-Q for the period ending December 31,
                     1996.

13.3***           -- Report on Form 10-Q for the period ending September 30,
                     1996.

21.1+             -- List of subsidiaries of the Registrant.

27+++             -- Financial Data Schedules.
</TABLE>

+        Previously filed with the Commission as an exhibit to the Registrant's
         Registration Statement on Form S-1 (File No. 333-1606) and
         incorporated herein by reference.

++       Certain confidential information contained in this document has been
         filed with the Securities and Exchange Commission pursuant to 
         Rule 2.4(b)(2) of the Securities Exchange Act of 1934, as amended.

+++      Previously filed with the Commission as an exhibit to the Registrant's
         Registration Statement on Form 10-K originally filed with the
         Commission on September 26, 1997 and incorporated by reference thereto.

*        Previously filed with the Commission on May 15, 1997.

**       Previously filed with the Commission on February 13, 1997.

***      Previously filed with the Commission on November 13, 1996.