3–29
Troubleshooting
Running the Diagnostic Self–Tests
To run a diagnostic self–test:
1.
On the control panel, press the ON LINE switch to place the printer
off–line. “Off–line Ready” displays.
2.
Raise the printer cover.
3.
On the control panel, press the UP and DOWN switches
simultaneously. “ENTER Switch Not Locked” briefly displays. (If
“Locked” displays, simply press UP and DOWN again.)
4.
Press the DOWN switch. “Ribbon Life” displays.
5.
Press the PREV switch. “Diagnostics” displays.
6.
Press DOWN. “Configuration Print Out” displays.
7.
Press NEXT until “Printer Test 8 Inch Width” or “Printer Test Full
Width” displays. (Do not select Full Width unless you have 132
column paper loaded in the printer.)
8.
Press DOWN. “Printer Test Shift Recycle” displays.
9.
Decide which of the tests listed on page 3–27 you want to run. Press
NEXT or PREV until that test displays.
10.
Press R/S to start the self–test. Press R/S again to stop the test.
11.
Examine the print quality. Characters should be horizontally and
vertically aligned and solidly formed. If print quality problems exist,
contact your authorized service representative.
12.
Press CLEAR. “Off–Line Ready” displays.
13.
Press UP and DOWN simultaneously. “ENTER Switch Locked”
briefly displays.
14.
Close the printer cover.
15.
Press the ON LINE switch to place the printer on–line.
Summary of Contents for P4280
Page 1: ...P4280 Line Matrix Printer Maintenance Manual R ...
Page 2: ......
Page 3: ...P4280 Line Matrix Printer Maintenance Manual R P N 155064 001 Rev B ...
Page 236: ...A 22 Configuring the Printer ...
Page 246: ...C 2 Torque Table ...
Page 263: ...D 17 Wire Data Cable No Part No Description W7 150649 001 Cable Assembly AC Ground PIN 1 ...
Page 296: ...8 Index Notes ...
Page 297: ......