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7Ć3 CalibrationsC3187Ć90000
FrontĆPanel Keys in Service Mode
Pressing any single frontĆpanel key in service mode performs the same operation as in
normal mode. However, in service mode, you can also use combinations of keys, to perform
the various service tests and calibrations. With this intent, the
Replot key acts as a SHIFT key,
and the
Cancel key acts as an ALT key.
The following illustration indicates which service tests and calibrations are assigned to which
frontĆpanel keys. A frontĆpanel overlay is provided with this manual; you can place it over
the actual keys on the plotter. The designation of keys for service tests is also shown on the
service configuration plot.
Service
Configuration
Electrical
Test
Accuracy
Calib. Print
Accuracy
Calib. Read
Input/Output
Test
Stepper
Motor Test
Bail Sensor
Test
Bail Cycle
Test
Bail
Calibration
Servo/Encoder
Test
Setup-Sheet
Calibration
Media-Sensor
Calibration
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Service Monitor
with Shift + Alt
To check whether a DesignJet 220 plotter is in service mode, press the
ALT
and
SHIFT
keys
together, and then release them. If the plotter is in service mode, four LEDs
Draft, Final, Paper
and
Transl/Vellum
flash. Press any key and they stop flashing.
Performing Tests and Calibrations
The general procedure to perform a service test or calibration is as follows:
, Once in service mode (see previous page), hold down the
SHIFT or ALT key, whichever is
appropriate for the service test you want to perform.
. Without releasing the
SHIFT or ALT key, press the key corresponding to the service test or
calibration you want to perform.
A Release the keys once the
Busy LED lights up.
Procedures specific to each calibration are given on the following pages.
(Service tests D chapter 8.)