Hioki 8847, Instruction Manual

Page: 329 / 372

18.4 Self-Test (Self Diagnostics)
319
Chapte
r 18
Main
tenanc
e and
Ser
vi
ce
14
18
This check tests the condition of the printer.
Before executing, check to be sure that recording paper is loaded.
This check tests the condition of the display screen.
This check tests operation of the keys and jog/shuttle controls.
Procedure (Common for Printer Check, Display Check, Key Check, System Configuration Check)
To open the screen: Press the SYSTEM key
→
[Init] sheet
18.4.2 Printer Check
1
Move the cursor to the [Printer Check] item.
2
Select [Exec] .
A test pattern is printed.
About 5 cm of each of the following are printed, in this order: Checkerboard
→
Vertical lines
→
Slanted lines
→
Characters
To cancel the check:
Press the
STOP key.
Things to check for after printer
check
Check the printed recording paper
for white streaks. If there are any
white streaks, clean the print
heads
(

p.321)
Print quality (print speed) and print
density settings will be reflected in
the test printout.
18.4.3 Display Check
1
Move the cursor to the [Display Check] item.
2
Select [Exec] .
A red screen appears.
3
Press any key to check the display condition.
The screen changes each time you press an operation key.
To chancel the check:
Press the
ESC key.
The original screen reappears
If the display screen seems ab-
normal, request repairs.
Screen Changes
Color check (Red, Green, Blue,
Black, White)
→
Gradiation
check (Red, Green, Blue, Black,
White)
→
Color pattern
→
Original
screen.
18.4.4 Key Check
1
Move the cursor to the [Key Check] item.
2
Select [Exec] .
Operation keys appear.
3
Press each operation key once or more.
The corresponding key is painted over.
Jog : Rotate to the left and right, one time or more in each
direction.
Shuttle: Turn slowly all the way in each direction.
( START key also functions as an LED light check key.)
The check is finished when you have operated all the keys.
To cancel the check:
Press the
START key and STOP keys simultaneously
The original screen reappears.
The key check does not finish if there is
a problem that prevents even one of the
keys from being recognized. If this oc-
curs, press the
STOP and START keys
simultaneously to display the original
screen.
There may be a malfunction in the in-
strument, so request repairs.
If there is a problem with the
STOP or
START key, you cannot return to the
original screen. Power the instrument
off and request repairs.