HP 450c Service Manual - Page 42

Cancel and Media Source, Bail Cycle Test - designjet cartridge light flashing

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Bail Cycle Test This tests the operation of the bail system, Service Station and the YĆaxis by engaging and disengaging the bailĆlift mechanism and capping/uncapping the cartridges. The test will perform the number of cycles as specified in the EEROM, but if the EEROM is cleared this test will not function. This Test has been designed to be used during the manufacturing stage and not in the field. If the Bail needs to be tested, please use the Bail Test in Service Mode 2. If a system error prevents you from entering into Service Mode 2, you may try this test instead. Perform the Bail Cycle test as follows: 1 In service mode 1, press Bail Cycle Test (Setup Key). 2 The test will start and the Carriage will move out of the Service Station and activate the engaging lever which causes the Bail Assembly to be gently raised and then lowered. 3 The test repeats the number of cycles as defined in the EEROM, unless you press the Cancel and Media Source keys. 4 If the test passes, the Best LED (LED C) will light up after the first cycle. 5 If there is a shutdown in the YĆaxis, the Best LED (LED C) will start to flash. 6 If the Printer does not raise the Bail Assembly then the test has failed. If the bail fails the test, try replacing the following component: 1 BailĆlift mechanism ' page 8Ć28. 4-8 HP DesignJet 430, 450C and 455CA Printers Service Tests

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4-8
Service Tests
HP DesignJet 430, 450C and 455CA Printers
Bail Cycle Test
This tests the operation of the bail system, Service Station and the YĆaxis by
engaging and disengaging the bailĆlift mechanism and capping/uncapping the
cartridges.
The test will perform the number of cycles as specified in the EEROM, but if
the EEROM is cleared this test will not function.
This Test has been designed to be used during the manufacturing
stage and not in the field. If the Bail needs to be tested, please use
the Bail Test in Service Mode 2. If a system error prevents you from
entering into Service Mode 2, you may try this test instead.
Perform the Bail Cycle test as follows:
1
In service mode
1,
press
Bail Cycle Test
(Setup Key).
2
The test will start and the Carriage will move out of the Service Station
and activate the engaging lever which causes the Bail Assembly to be
gently raised and then lowered.
3
The test repeats the number of cycles as defined in the EEROM, unless
you press the
Cancel and Media Source
keys.
4
If the test passes, the Best LED (
LED C
) will light up after the first cycle.
5
If there is a shutdown in the YĆaxis, the Best LED (
LED C
) will start to
flash.
6
If the Printer does not raise the Bail Assembly then the test has failed.
If the bail fails the test, try replacing the following component:
1
BailĆlift mechanism
'
page 8Ć28.