Brother HL-630 User Manual download pdf (Page 10)

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HP LaserJet 4100 HP Part # C8

1X (1 OK) HP Part # C8061A

OEM Stated Yield: 6,000

The HP-4100 is the first HP black toner cartridge to use an ARD. Unlike other

chips, these only monitor usage not page counts. Each chip also has it's own

serial number which in effect gives the cartridge a serial number. After the

OEM toner has been used up, the "toner low reached" code will be set to YES

on the cartridge chip. Even after the cartridge is refilled, the printer

display will still show "Toner Low" for the supplies status section of the

menu. The main display will then show "Non HP Toner cartr

dge". If the chip

is removed, the toner low sensors will be disabled, and will not work again

until a new HP cartridge is installed. These sensors also track toner usage

per page, and predict the expected yield of the cartridge so this may be an

issue with your customer. In a March 2001 interview with the Hard Copies

Supplies Journal, an HP spokesperson stated the following: "Regarding steps

taken to prevent the cloning of smart chips, because HP's design process is

customer focused, we have not taken step

to prevent clone chips from being

used or to prevent resetting of the chips as ' done with the Fuji-

erox

engine based machines." While this statement certainly addresses the re-

of the new cartridges, it is doubtful that they will look kindly on rese

ting

these chips so that the printer thinks it is a genuine HP cartridge. It

should be noted that if the chip is removed, the printer's performance

changes. Weare still testing but it seems that the printer runs much darker,

reducing the yield of the cart

idge. It is also possible that reusing an old

chip may do the same but to a lesser extent. Further testing on this is being

conducted. Another possible use of this chip is when warranty repairs are

needed. The machine will have a complete history of all the HP and non-

cartridges used! Replacement chips are now becoming available

HP Laser J et 4200 HP Part # Q1338A

OEM Stated Yield: 12,000

The HP-4200 uses the second generation black toner cartridge ARD's. These

chips (ARD's) only monitor toner usage no

page counts. Each chip also has

it's own serial number which in effect gives the cartridge a serial number.

After the OEM toner has been used up, the "toner low reached" code will be

set to YES on the cartridge chip. Even after the cartridge is refilled,

printer display will still show "Toner Low" for the supplies status section

of the menu. The main display will then show "Non HP Toner cartridge". If the

chip is removed, the toner low sensors will be disabled, and will not work

again until a new HP cartridge is installed. These sensors also track toner

usage per page, and predict the expected yield of the cartridge so this may

be an issue with your customer.

These chips are physically different from the first generation 4100 chip. The

4100 is encased in a black plastic case, and uses RF (radio frequency)

technology to communicate with the printer. The 4200 chip looks identical to

the 1300/2300/4300 chips. They are not encased at all. The chip board is

bright green in color. It also has two contact pads

here the chip touches

contacts in the machine. This is how the chip communicates with the printer,

a much simpler and cheaper method. HP apparently no longer cares about public

opinion on these chips

as they are bright green in color, and placed on the t

p of the cartridge,

where they are impossible to miss. Although all the second generation chips

all look the same, the coding is different.

As with the 4100 chips, the machine will have a complete history of all the

HP and non-HP cartridges used! This may

laya part when warrant repairs are

needed. Replacement chips are now being developed.

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Brother HL-630 User Manual Page 10

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