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ADJUSTING PRINT QUALITY AND SPEED
Since the DocuPrint usually decomposes more than one job at a time, the jobs are
Job #213 start, ftpadmin, 99995163.ps, November 19, 1996 1:05:04 pm PST Printing duplex, 300 spi, 216 x 279 mm, 139 buf
Job #213 stop, ftpadmin, 99995163.ps, November 19, 1996 1:07:17 pm PST pages: 217, decomp: 83.51, elapsed: 134.70
PPM=60x217/83.51 = 155.9 pages per minute
This is considerably higher than the maximum speed of the printer, so it is very likely that this job prints at rated speed.
Minimizing the start-up latency
There are two ways to get a measurement that minimizes the impact of the
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Use a stopwatch to measure the elapsed time from when the first sheet is delivered to when the last sheet is delivered to the output tray.
Take the start time and stop time from the sequencer for a larger block of jobs.
Using the second method, the same job as in the first example was submitted 10 times to measure the throughput for 2170 pages. Here is part of the log:
XEROX DOCUPRINT 96/4635/180 NPS TROUBLESHOOTING GUIDE |