IBM 4247-003 Maintenance Manual - Page 213
Verifying AFTA Calibration Using T&D12
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Where XXXXX=OPEN or CLOSED. If the previous message displays, follow the instructions in "T&D11 - Pinch Roller Status/Sensor Tuning/Ribbon Feed and Lift Motors" on page 168. Return here when the following message displays: SS PATH FF 1. Ensure the paper bail and a ribbon cartridge are installed. 2. Mount 20 lb (80 g/m2) paper into the front tractor (FF) or manual sheet feed tray (SS). 3. Press the Load/Form key to select FF. - or Press the Micro ↑ key to select SS. 4. The printer will now load the paper and perform the AFTA operation. The following 2 messages display sequentially: + AFTA X - YES NO Verifying AFTA Calibration Using T&D12: To verify the calibration: 1. Set the operator menu to AFTA=0. 2. Load a single-sheet of paper into the print area. Note the wheel position. 3. Park the paper. 4. Set the operator menu to FIXED=1. 5. Load a single-sheet of paper into the print area. Note the wheel position. 6. The wheel position should be the same for AFTA=0 and FIXED=1 within ±0.25. 7. The wheel should be pointing to 1 ±0.25. 8. Verify printer operation by printing T&D14 on single-part forms, using a good ribbon. The print should appear dark. Chapter 2. Diagnostics 213
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