Xerox 740 用户指南

Several lines in the report are logs rather than counters, for example, the PostScript 
Error Log.  Each time a PostScript error occurs (and the user has enabled the Error 
Handler), the PostScript error is recorded as a numerical code along with the page 
number on which the error occurred.

On each successive error, the log is shifted to the left, with the oldest one being 
removed from the left end, and the new one being added to the right end. Note that 
a value of 0 (zero) in the log indicates no error. There are actually two lines for each 
log, one for the code and one for the page number. (In the case of last jam, there are 
three lines—paper code, location code, and page number.)

For information on solutions to engine errors, see the 

Advanced Features and 

Troubleshooting Manual on the web or on your printer’s CD-ROM.

217

Jam Manual Feed
(Phaser 840)

Jam Multi-Purpose 
Tray 
(Phaser 740, 780)

A distribution of jams for all possible media size and 
type combinations through Manual Feed, as much as 
the user has identified it.

A distribution of jams for all possible media size and 
type combinations through the Multi-purpose tray as 
much as the user has identified it.

221

Last Jam Location

Log of the last 5 jam locations—see “Logs” on 
page 147. (Zero indicates no event.)

222

Last Jam Media

Log of the last 5 jam media—see “Logs” on page 147. 
(Zero indicates no event.)

223

Last Jam Page #

Corresponding page numbers at which the last five jams 
occurred.

224

Print Head Clean 
Date Log

Log of the dates and times of the last five print head 
cleanings.

225

Print Head Clean 
Page #

Corresponding page numbers at which the last five print 
head cleanings occurred.

xx,xxx.4x

Device fault

xx,xxx.6x

Software error

22,

xxx.xx

Media jam