HP 250C - Manual (Page 112)

Print
Quality
230
250C
330
350C
7Ć4 Calibrations and Adjustments C4699Ć90000
Entering Service Mode 2
1 Switch the plotter off.
2 While holding the
Print Quality
key down, switch the
plotter on.
3 Once the the LEDs begin to light up one
by one (as shown below), release the
Print Quality
key.
or
or
The plotter performs the electrical powerĆon tests and initializes
the mechanics as in normal user mode. (Details ' chapter 8.)
4 Place the Service Mode 2 frontĆpanel overlay over the keys on the plotter.
The overlay is supplied with this manual. The frontĆpanel keys in service mode are
described on page 7Ć5.
Stopping a Test
Some of the service tests are continuously repeated until you
stop them. To stop a test, press the
Shift
key.
Shift