Using LaserWriter 8.7 and the duplex option to print on letterhead paper may yield unanticipated results.
Solution
Some Apple LaserWriter printers have optional duplex printing units, which allows printing on both sides of the paper. This is called duplex printing or two-sided printing.
With the duplex option installed, a single-sided print job will always start from the same side of the paper, top or bottom, depending on the printer. However, a two-sided print job starts printing on the opposite side of the paper from a single-sided print job.
When using the duplex option to print on letterhead paper, the letterhead paper must be oriented in the paper cassette according to the print job, whether it is a single-sided or two-sided print job.
If the printer has multiple cassettes and depending on the print job, the letterhead paper may need to be oriented differently in each paper cassette.