Hp 750 User Manual download pdf (Page 146)

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8-28 Troubleshooting

C4705-90000

  

 !%"! #  $# $#$ # $ &") $ %$ $)  $ ## "##$ "#  ) ## $

$" #  $#$ "#$ "# $ $" ## & $  $ !" "# $ "$

!%# '" "$ 

" " $ $"  $"  $#$ #   '#

  $ "& #$# #%% #"  $ * "  $"   !"## 

SERVICE TESTS

8 Thermal control

  ! $$" ' %$ $) $#$ $  "$"

 *$   #$  ## # #!)  $ " $+! # $  %$$ #

$ #$ $ "$" $$ # $  $#$

 "## $  %$$ 

  *#$ ((((  ## # #!)  $ " $+! ' $ ! $$" $#$#

$ "$"

xxxx represents the color of the cartridge that is being tested.

  $ ! $$" # # $#$ $ "$" $ *"  $   "##

$" ## # #!)  $ " $+!

If the value (#.##) of the thermal voltage is between 0.5 - 2.25 V then press Enter.

If the value of the thermal voltage is not between 0.5 - 2.25 V then the cartridge has failed the

test. To resolve the problem, try one of the following:

1 Clean the interconnect pad in the carriage or the cartridge that failed the test.

2 Replace the cartridge that failed the test.

3 Perform the pen continuity test  page 8Ć30.

4 Replace the carriage  page 6Ć34.

  *"$  ## # #!)  $ " $+! ' $ ! $$" #

"$ $ "$ !%# '"  $ "$"

  $ ! $$" # # "$ $ * "#    "## $"

## # #!)  $ " $+!

If the value (#.##) of the BPW threshold is between 100 - 450 then press Enter.

If the value (#.##) of the BPW threshold is not between 100 - 450 then, to resolve the problem, try

one of the troubleshooting tips given in step 5.

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Hp 750 User Manual Page 146