Toshiba Satellite A40 Maintenance Manual - Page 149
Appendix F., the computer's printer port. The connector wiring diagram is described
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3.9 Printer Test 3 Tests and Diagnostics Subtest 02 Function This subtest is for IBM compatible printers, and tests the following functions: Normal print Double-width print Compressed print Emphasized print Double-strike print All characters print This subtest prints the various print types shown below: Subtest 03 Wrap around NOTE: To execute this subtest, a printer wraparound connector must be connected to the computer's printer port. The connector wiring diagram is described in Appendix F. This subtest checks the output and bi-directional modes of the data control and status lines through the parallel port wraparound connector (34M741986G01). (Both output and bi-directional modes are tested.) Satellite A40 Maintenance Manual (960-458) 3-25
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