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HP Managed printers - Configuration Page or Control Panel Report Displays an Incorrect RAM Size

Issue
When viewing RAM data on an HP Managed printer, the reported figure does not match what appears on the data sheet or related support documentation for the following models:
  • HP LaserJet Managed Flow MFP E72520-E72540
  • HP Color LaserJet Managed MFP E77820-E77830
  • HP LaserJet Managed MFP E82540-E82560
  • HP Color LaserJet Managed MFP E87640-E87660
This incorrect data might be seen on one or more of the following locations:
  • Reports menu control panel view
  • Printed configuration page
  • Configuration page in the Embedded Web Server (EWS)
  note:
The data sheet and related support documentation is correct. There is more RAM on the printer than the configuration page reports.
Incorrect numbers reported on the configuration page include the following:
Printer model (All speeds)
Reported RAM Total (Incorrect)
E72520dn-E72540dn
E77820dn-E77830dn
2048
E72520z-E72540z
E77820z-E77830z
E82540dn-E82560dn
E87640dn-E87660dn
E82540z-E82560z
E87640z-E87660z
3072
Cause
Main board data was not included in the total reported RAM figures.
Solution
No action necessary. This mismatch in reported RAM will be corrected in a future firmware roll expected to release by late 2017 or early 2018.
Memory chip RAM sizes
The actual RAM sizes for the memory chips vary depending on the model and the location in the printer.
Actual RAM totals per model
RAM Location
Number of memory chips (Varies)
MODELS
E72525dn
E72530dn
E72535dn
E77822dn
E77825dn
E77830dn
E72525z
E72530z
E72535z
E77822z
E77825z
E77830z
E82540dn
E82550dn
E82560dn
E87640dn
E87650dn
E87660dn
E82540z
E82550z
E82560z
E87640z
E87650z
E87660z
Formatter (front)
2
1024
1024
1024
1024
Formatter (back)
2
1024
1024
1024
1024
Main board (front)
4
2048
2048
2048
2048
Main board (back)
4
2048
2048
2048
2048
Accelerator board
2
N/A
1024
1024
1024
TOTAL RAM
Varies
6144
7168
7168
7168
Memory chip locations
Managed printers typically include memory chips located on different parts of the printer. For locations, see the images below. For more information on the memory chips, contact the chip vendor or visit their web page.
Figure : Location of RAM memory chips on Main board (front)
Figure : Location of RAM memory chips on Main board (back)
Figure : Location of RAM memory chips on Formatter board (front)
Figure : Location of RAM memory chips on Formatter board (back)
Figure : Location of RAM memory chips on Scan Accelerator PCA board

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