Service Monitor (Data Display); Servo/Encoder Test; Stepper Motor Test; Window Sensor Test - HP DesignJet 200 Service Manual

Service Monitor (Data Display)

1 Enter service mode (see page 7 2).
2 Hold down the
SHIFT
3 Send the file or files from the computer through the serial
or parallel ports.
4 Press any front panel key when the file(s) have been
transferred to the plotter.
5 Load a sheet of media (A3 size or B size minimum) in portrait orientation.
Instead of plotting the drawings that you sent, the plotter plots the first and last
Kbytes of the code for those drawings. The code is printed in hexadecimal and ASCII
format. If the total size of the file s sent is not bigger than one Kbyte, only the first
buffer is printed. The plotter exits the service monitor mode if the file s sent contain
PJL universal exit language.
6 Compare the code printed with the code sent from the computer to check if
communication between the computer and the plotter is functioning correctly.

Servo/Encoder Test

1 Enter service mode (see page 7 2).
2 Hold down the key and press
ALT
The Busy LED lights up and the carriage moves to the center of the plotter. Both the
carriage and the roller then move backwards and forwards in cycles of six short steps,
changing direction between cycles.
3 Press any front panel key to stop the test.

Stepper Motor Test

1 Enter service mode (see page 7 2).
2 Hold down the
SHIFT
The LED lights up and the stepper motor switches on, continuously raising and
Busy
lowering the wiper and the lever mechanism.
3 Press the key when you want to stop the test.
ALT

Window Sensor Test

1 With the LED lit, open the window.
Load Media
The LED should flash.
Ready
2 Close the window again.
The LED should stop flashing, and the
Ready
8 24 Removal and Replacement
and keys and press
ALT Service Monitor
Servo/Encoder Test
key and press
Stepper Motor Test
Load Media
Service
. Monitor
.
Servo/Encoder Test
.
Stepper
Motor Test
LED should light up again.
C3187 90000
SHIFT
ALT
ALT
SHIFT