<PAGE>
                                                                 EXHIBIT 10.6B

                 AMENDMENT TO XEROX HARDWARE PURCHASE AND SOFTWARE
                           DEVELOPMENT/LICENSE AGREEMENT
                                          

    This amendment is made as of May 1, 1997 (the "Effective Date") by and 
between Splash Technology, Inc. successor in interest to SuperMac Technology, 
Inc. and Xerox Corporation for the purpose of modifying the Xerox Hardware 
Purchase and Software Development/License Agreement between SuperMac 
Technology, Inc. and Xerox Corporation dated as of November 11, 1993 
("Agreement").

    The parties agree as follows:

1.  In Section 4.05, "[*]" shall be changed to "[*]."

2.  In Section 8.07, the last sentence in the first paragraph shall be 
    deleted, and sections (a) and (b) shall be deleted.

3.  In Section 12.01(d), "[*]" shall be changed to "[*] after initial 
    installation, in no event to exceed [*] from date of delivery to Buyer."

     In all other respects, the terms and conditions of the Agreement shall 
remain in full force and effect unmodified.

Splash Technology, Inc.                   Xerox Corporation

By: /s/ Tim Kleffman                      By: /s/ M.B. Efron
   ----------------------------------        ----------------------------------
Name: Tim Kleffman                        Name: M.B. Efron
     --------------------------------          --------------------------------

Title: Vice President                     Title: Product Operations Mgr.
      -------------------------------           -------------------------------

                      [*] Confidential Treatment Requested. The confidential 
portion has been omitted and filed separately with the Securities and 
Exchange Commission pursuant to an application for confidential treatment.

                      

<PAGE>

                                    ATTACHMENT III

                 PRICING EFFECTIVE FOR NEW ORDERS PLACED AFTER 3/1/97


    There are six Splash products:

    1.   DC Series System Configuration for DocuColor 40
    2.   PCI 1280 System Configuration
    3.   PCI 640 System Configuration
    4.   PCI 1280 Board Kit
    5.   PCI 650 Board Kit
    6.   E Series System Configuration for DocuColor 5750

    All Splash products, system configurations and boards, include ColorCal 
software along with a precision greyscale target.  The System Configurations 
are defined in the next paragraph.  Finally, spares, upgrades, and repair 
pricing is also included.

    SYSTEM CONFIGURATIONS:  The four system configurations are based on Apple 
Power Macintosh or compatible systems.  The minimum system configuration 
specifications are attached to this document.  All system configurations will 
have the Splash Hardware, Splash Software, and all other bundled software 
loaded and preconfigured.  The warranty, service, and support for the items 
included other than the Splash board and Splash software will only be the 
standard terms provided to Customers by Adobe, Apple, Princeton Graphic 
Systems, and other applicable vendors.  None of the clauses in the contract 
with respect to warranty, repair, or support will apply to these other system 
components.

ADJUSTMENTS TO PRICES FOR DRAM FLUCTUATIONS

[*]

                      [*] Confidential Treatment Requested. The confidential 
portion has been omitted and filed separately with the Securities and 
Exchange Commission pursuant to an application for confidential treatment.

                                  Page 1 of 4

<PAGE>

STANDARD CONTRACT PRICE FOR THE PRODUCTS:

    The Standard Prices for the Products are as follows:

<TABLE>
<CAPTION>
Full products:
<S>                                                    <C>                 <C>
Splash DC Series                                       097N00731           [*]
Splash PCI v5.0 1280 System Configuration              097N00748           
Splash PCI v5.0 640 System Configuration               097N00749           
Splash PCI v5.0 1280 Board Kit                         097N00724           
Splash PCI v5.0 640 Board Kit                          097N00726           
Splash E Series System Configuration                   097N00790           
                                                                           
Splash PCI v.4.0 1280 System Configuration             097N00641           
Splash PCI v.4.0 640 System Configuration              097N00642           
Splash PCI v.4.0 1280 Board Kit                        097N00655           
Splash PCI v.4.0 640 Board Kit                         097N00648           
                                                                           
Upgrades:                                                                  
                                                                           
PCI 5.0 640 to 1280 Upgrade Kit                        097N00727           
PCI 4.0 to 5.0 Upgrade Kit                             097N00734           
PCI E320 to E640 Upgrade Kit                           097N00791           
                                                                           
Other Products:                                                            
                                                                           
PowerPC 601/66 Controller Spare                        109K00811           
PowerPC 601/80 Controller Spare                        109K00821           
PowerPC 601/100 Controller Spare                       109K00831           
DC Series HDD Spare                                    006N00846           
DC Series CPU Spare                                    109N00263           
DC Series Controller Boards                            140N04741           
DC Series Customer Media Pack                          701P94093           
DC Series Calibration Scanner                          097N00753           
64 MB DIMM                                             144N00046           
8 MB DIMM                                              144N00047           
32 MB DIMM                                             144N00043           
DocuColor I/F Cable, 68-pin                            152N01562           
DocuColor I/F Cable, 80-pin                            152N01563           
PCI Series HDD Spare                                   006N00845           
PCI Series CPU Spare                                   109N00261           
PCI Series Controller Boards                           160K37470           
PCI Series Customer Media Pack                         701P94286           
E Series HDD Spare                                     006N00853           
</TABLE>

                      [*] Confidential Treatment Requested. The confidential 
portion has been omitted and filed separately with the Securities and 
Exchange Commission pursuant to an application for confidential treatment.

                                  Page 2 of 4

<PAGE>

<TABLE>
<S>                                                    <C>                 <C>
E Series CPU Spare                                     109N00349           [*]
14" Color Monitor                                      128N00396           
ESD Wrist Strap                                        115E3970            
Splash Cable                                           152K63320           
Splash v2.5 User's Manual Set                          709P00094           
Color Central Lite Spare                               097N00646           
Adobe Photoship LE Spare                               300K47880           
Splash v3.1 Software Spare                             300K56270           
Keyboard                                               110N00717           
Mouse                                                  018N00137           
Gray Scale Target                                      001E39230           
TCP/IP Connect Kit                                     097N00733           
WebServer Option                                       097N00728           
Loop-Back Connector                                    114K00670           
Mouse Pad                                              019N00343           
Monitor Video Adapter                                  120N00234           
Monitor/Mac Power Cord                                 117N01116           
DC Series French Windows Driver Kit                    701S94090           
PCI Series French Windows Driver Kit                   701S94069           
Splash French Mac O/S Kit (7.5.5)                      701S94070           
</TABLE>


Orders for the above items marked with * must be placed with a minimum 
quantity of 25 per delivery date.

**   Splash PCI Version 4.0 is being upgraded to version 5.0.  After launch of
     version 5.0, in April/May 1997, all new orders for the PCI platform will be
     filled with version 5.0.

                      [*] Confidential Treatment Requested. The confidential 
portion has been omitted and filed separately with the Securities and 
Exchange Commission pursuant to an application for confidential treatment.

                                  Page 3 of 4

<PAGE>

ADOBE POSTSCRIPT LICENSE FEE

[*]

<TABLE>
<CAPTION>
Product                                            List Price
<S>                                                    <C>
DC Series                                              $50,000
PCI 1280 System Configuration (versions 4.0/5.0)       $28,000
PCI 640 System Configuration (versions 4.0/5.0)        $22,000
PCI 1280 Board Kit (versions 4.0/5.0)                  $24,000
PCI 640 Board Kit (versions 4.0/5.0)                   $18,000
E Series System Configuration                          $13,000
</TABLE>

[*]

    If necessary, as requested by Adobe, Xerox will agree to submit to an 
Adobe audit of its records pertaining to Splash upgrades sold, in order to 
ascertain the accuracy of the reported upgrade sales quantities.

OUT OF WARRANTY REPAIR COSTS:

    The following out of warranty standard board repair costs apply during 
the time that the boards are in production.  This repair charge will not, 
however, apply to any boards rendered irreparable due to physical abuse or 
damage.

<TABLE>
<S>                                <C>
Splash-MX Daughter board           [*]  
Splash-MXPLUS Daughter board
Splash-TX Daughter board
Splash Baseboard
Splash PCI Board
Splash DC Series Board Set
</TABLE>

Accepted and Agreed as a contract attachment amendment:

By: /s/ M.B. Efron                           By: /s/ Tim Kleffman
    ---------------------------------            ------------------------------

Title: Product Operations Mgr.               Title: Vice President
       ------------------------------               ---------------------------

Date: 7/29/97                                Date: 7/23/97
      -------------------------------              ----------------------------

Xerox Corporation                            Splash Technology
                                             (SuperMac Technology)

                      [*] Confidential Treatment Requested. The confidential 
portion has been omitted and filed separately with the Securities and 
Exchange Commission pursuant to an application for confidential treatment.

                                  Page 4 of 4