HP LaserJet 4v/mv Service Manual - Page 54

Understanding the Self Test Printout

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Understanding the Self Test Printout Figure 3-3 is a sample self test printout (run from Service Mode). Numbers in the sample printout match numbers in the key to the printout below. The appearance of the self test printout varies depending on the options currently installed in the printer. Self Test Printout Key 1 Menu selections: Lists selections in the order in which they appear in the control panel display. Also includes options such as PostScript and Modular I/Os. 2 MIO information: Reserved for MIO and network statistics. For some installed MIO options, this block of information can be as long as 20 lines and three columns. 3 Serial Number and Formatter Number: Shows version number of internal code 4 RAM size: Shows total installed printer memory. 5 Page Count: Shows the number of pages the printer has printed. 6 Firmware Datecode: Eight-digit date (YYYYMMDD) and version number of formatter firmware. 7 Control Panel options status: Shows status of control panel Lock and Password functions. 8 Other installed options: Lists optional paper cassettes, personalities, and other installed options. 9 Disk Accessory: Appears when the option is installed and displays access status. 10 I/O Buffering and Resource Saving: Information about the current configuration appears here. If the printer does not have enough memory installed to enable I/O Buffering or Resource Saving, the amount of additional memory needed appears here. 11 Print Pattern: Illustrates print density and quality. 12 Resolution Enhancement: When print resolution is set to 600 dpi, the REt block appears here. The REt block illustrates current print resolution enhancement. 13 PCL Memory Information: Shows the total amount of installed memory, and also indicates the amount available for PCL applications (such as font downloading software). 3-20 Operating Overview

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Understanding the Self Test Printout
Figure 3-3 is a sample self test printout (run from Service Mode).
Numbers
in the sample printout match numbers in the key to the printout below.
The appearance of the self test printout varies depending on the options
currently installed in the printer.
Self Test Printout Key
1
Menu selections: Lists selections in the order in which they appear in the
control panel display.
Also includes options such as PostScript and Modular
I/Os.
2
MIO information: Reserved for MIO and network statistics. For some
installed MIO options, this block of information can be as long as 20 lines
and three columns.
3
Serial Number and Formatter Number: Shows version number of internal
code
4
RAM size: Shows total installed printer memory.
5
Page Count: Shows the number of pages the printer has printed.
6
Firmware Datecode: Eight-digit date (YYYYMMDD) and version number of
formatter firmware.
7
Control Panel options status: Shows status of control panel Lock and
Password functions.
8
Other installed options: Lists optional paper cassettes, personalities, and
other installed options.
9
Disk Accessory: Appears when the option is installed and displays access
status.
10
I/O Buffering and Resource Saving: Information about the current
configuration appears here.
If the printer does not have enough memory
installed to enable I/O Buffering or Resource Saving, the amount of
additional memory needed appears here.
11
Print Pattern: Illustrates print density and quality.
12
Resolution Enhancement: When print resolution is set to 600 dpi, the REt
block appears here.
The REt block illustrates current print resolution
enhancement.
13
PCL Memory Information: Shows the total amount of installed memory, and
also indicates the amount available
for PCL applications (such as font
downloading software).
3-20
Operating Overview