●
Clean the electrical contacts on both the printheads and the printhead Carriage Assembly using the
carriage interconnect wiper ⇒
Carriage Interconnect Wiper on page 79.
●
Replace the Printhead with a new one.
You cannot insert the Ink Cartridge into the printer
1. Ensure that you have the correct HP 761 Ink Cartridge.
2. Ensure that the Ink Cartridge is the correct color for that slot.
3. Ensure that the Ink Cartridge is the correct orientation, with the color coded label at the top.
CAUTION: Never clean inside the Ink Cartridge slots as this can cause damage to the printer.
You cannot insert the Printhead into the printer
1. Ensure that you have the correct HP 761 Printhead.
2. Ensure that the printhead is the correct color for that slot.
3. Ensure that the printhead is in the correct orientation.
4. Ensure that the protective cap is removed from the Printhead.
You cannot insert the Maintenance Cartridge into the printer
1. Ensure that you have the correct HP 761 Maintenance Cartridge.
2. Ensure that the Maintenance Cartridge is in the correct orientation.
Troubleshooting Printhead error codes
The Printhead Error Codes can be found on the Service Information Print (Setup Menu/Information Menu/
Internal Prints/Print Service Information/Current Information). The actual error code is a decimal number and
it has to be converted to a binary number before it can be used.
In order to convert the decimal error code to a binary error code, you can use a calculator. For example, if you
had the error code 4099, you would enter 4099 as a decimal number and then select the binary option which
would give you a binary number of 1000000000011.
The following table explains the meaning of the different bits (0 or 1). When the value of the error code is
reported as 0, it means that the Printhead is working correctly:
Bit Meaning Bit Meaning
1
st
FAILS_LOGICAL_V
11
th
BAD_ACUMEN_ACCESS
2
nd
FAILS_CONTINUITY
12
th
WRONG_MODEL
3
rd
SHUTDOWN
13
th
MISMATCH
4
th
FAILS_VPP
14
th
CSDATA_NOT_RESPONDING
5
th
TEMP_EXTREMELY_HIGH
15
th
CSDATA_TRANSMIT_ERROR
6
th
TEMP_EXTREMELY_LOW
16
th
FAILS_ENERGY_CALIBRATION
7
th
TEMP_TOO_HIGH
17
th
EMPTY_DUMMY
78 Chapter 4 Ink supplies ENWW
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