Note: Do not run T&D12 unless instructed to do so by the “Standard AFTA Service Check and Adjustment” on
page 285 .
Before performing this procedure, correctly adjust the AFTA indicator wheel. See “Automatic Forms Thickness
Adjustment (AFTA)” on page 282 for the indicator wheel adjustment procedure.
If any error messages display during this test, go to “T&D Error Messages and Actions – Models 001, 002, and
003” on page 231.
If the AFTA mechanism is malfunctioning or not repeatable, perform the “Standard AFTA Service Check and
Adjustment” on page 285.
Display:
T&D12 YES NO END
Calibrate the microcode
1. Initiate T&D12 (see “Running T&D12” on page 173).
2. Move to (or keep) the value '0.'
3. Exit with STORE=YES. The requirement for calibrating is described in “Standard AFTA Service Check and
Adjustment” on page 285.
Adjust the print gap
1. Adjust the print gap in 0.25 mm (0.001 in.) increments to achieve acceptable print darkness.
2. Initiate T&D12 (see “Running T&D12” on page 212).
3. Use STORE=NO.
4. Move the value to +x to increase the gap and -x to decrease the gap. This adjustment is described in
“Standard AFTA Service Check and Adjustment” on page 285.
5. After adjusting the gap to optimize the print quality, exit with STORE=YES.
6. Verify the gap between the printhead needles and the platen, as described in Standard AFTA Service Check
and Adjustment.
Chapter 2. Diagnostics
211
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...