HP HP4100 Printer Firmware Revision

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HP4100 Printer Firmware Revision Provides Accurate
Estimated Pages Remaining Values, Will Drive Increased
Enduser Awareness of Supplies Status Page Information

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SSS™#475

TECHNICAL BULLETIN

HP4100 Firmware Revision Provides Accurate Estimated Pages Remaining Values

HP has recently revised the engine firmware on HP4100 printers. The revision corrected a major flaw in the Supply
Status Page information. The Estimated Pages Remaining field value now starts at HP's rated page yield based on the
HP part number on the cartridge smartchip. Static Control's smartek

™

chip contains the C8061X part number corre-

sponding to the 10,000 page rated yield cartridge. When initially installing an aftermarket cartridge with a smartek

™

chip into a HP4100 printer with the latest firmware, a value of 10,000 pages will appear in the Estimated Pages
Remaining field.

HP4100 printers with prior engine firmware versions exhibited wildly varying, and highly inaccurate, Estimated Pages
Remaining values. In some cases it could start as low as a few thousand pages and sometimes could be thousands of
pages higher than the 10,000 page rated yield. This was a printer firmware issue, not a chip issue. The variations in
the Estimated Pages Remaining values were the same for both OEM chips and the smartek

™

chip.

A dedicated 8061A version of the smartek

™

chip will be required in order to provide an accurate Estimated Pages

Remaining value for the 6,000 page, low-yield cartridge version. The new 8061A version of the smartek

™

chip is

currently available.

The printer firmware issues affecting the
Supply Status Page information was
corrected in the HP4100MFP released in
March of this year. We identified this
change at that time and consequently all
production volumes of the smartek

™

HP4100 chip have been coded with the
8061X cartridge part number so that the
smartek

™

chip would function correctly
with the HP4100MFP. Consequently,
there are no issues or requirement to
upgrade our current smartek

™

chip.

The newest version of the HP4100 printer firmware is 01.027.2. The firmware version is shown on the Configuration
Page, accessible either through the printer control panel or the embedded webserver. HP has frequently revised this
firmware, but this is the first instance we have identified that had an impact on the Supplies Status Page information
or its interplay with the cartridge chip. Upgrading a HP4100 printer to the newest firmware requires installation of a
replacement DIMM available from HP. The printer firmware is not software upgradeable, unlike the JetDirect

®

network

interface card. HP labels the part as a ROC DIMM, the part number is C4168-67904, and HP's list price is $74.00.

continued