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4-2 Service Tests
HP DesignJet CP Series Printers
Introduction
This chapter explains how to use the built-in Service Tests (Diagnostics) and
what to do if the tests fail. If possible, always perform a Service Test on the
component that you are about to replace, just to make sure that is the
component that has failed. If the test on that component passes, there is no
need to replace it.
Diagnostics - Self Test
Initialization Sequences
Whenever the the Printer is switched on, it automatically performs a series
of internal self tests and mechanical initialization sequences. If the Printer
is switched ON in Service Mode, the front-panel display will show a code
next to the message “Initializing”. These codes refer to the part which the
printer is testing at that moment. If any of these parts fail, a system error
will appear and you should consult the System Error Codes ' Chapter 2.
Code Parts Tested System Error if failed
b Sensors and X-Encoder Fuse 010023
c Interconnect Boards detection 010030
d ADC in the Main PCA 010036
e Fans 010032
f DC Motor Driver ASIC 010033
g DC Motors detection 010034
h Stepper Motors detection 010035
i ADC in the Carriage PCA 010037
j Printhead Voltage in Main PCA 010038
k Printhead Voltage in Carriage PCA 010039
l Printhead Primitive Driver ASIC 010031
A RAM SIMM 010021
B Flash SIMM 010020
C Swath RAM 010022
I Hard Disk Drive 08xxxx