IBM 4247 Maintenance Information page 214

Press the Micro key to bypass this message.
T&D13 - Not Used
T&D14 - Fanfold Form Printout Test
Note: Use this test to check print quality, print wires, printhead wire shifter (18-wire printhead only), carrier
movement, paper feed, line skew, and bidirectional (vertical) alignment. See "Print Quality Checks" on
page 338 for symptoms, and see Figure 93 (on 342) and Figure 94 (on 343) for examples of print samples.
1. Display:
T&D14 Fanfold Form Printout Test RUN TEST ? YES END NO
2. Press the Line Feed key.
If the following message displays, go to "T&D11 - Pinch Roller/Sensor Tune/Ribbon Feed and Lift
Motors" on page 208.
T&D14 Fanfold Form Printout Test STORED PINCH XXXXX PRESS A KEY
Return here after the sensors are tuned.
3. If fanfold paper is not loaded, the printer will display:
T&D14 Fanfold Form Printout Test LOAD PAPER
4. Install fanfold paper in the tractor assembly, and press the Load/Eject key.
The print test will print, and the display will be:
T&D14 Fanfold Form Printout Test TEST RUNNING
5. When the print test is complete, the following message is displayed:
T&D14 Fanfold Form Printout Test TEAR & PRESS KEY
6. Tear off the printout, and press any key.
7. For printout analysis, see "Print Quality Checks" on page 338.
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Chapter 2. Diagnostics