HARDWARE TESTS
Panel Test
This test automatically toggles each pixel of the display or home screen, depending on your printer model,
through every contrast level beginning with the darkest to the brightest. This continues until you press the Stop
button.
Button Test
This test verifies the operation of the buttons on the operator panel. When Button Test is selected, a diagram
of the operator panel appears on the panel.
If you press a button on the operator panel while running the test, then the corresponding touch screen key is
emphasized. Touch
Back
to cancel the test.
DRAM Test
This test checks the validity of the standard and optional dynamic random access memory (DRAM). The test
repeatedly writes patterns of data to the DRAM to verify that each bit in the memory can be set and read
correctly.
1
From the Diagnostics menu, navigate to
HARDWARE TESTS
>
DRAM Test
.
Note:
The printer performs the test and then resets.
2
After the printer resets, the results of the test appear:
DRAM Test [x] P:###### F:######
.
Where:
•
[x]
represents the size of the installed DRAM.
•
P:######
represents the number of times the memory test passed and finished successfully.
The maximum pass count is 999,999.
•
F:#####
represents the number of times the memory test failed and finished with errors.
The maximum pass count is 999,999.
Note:
After the maximum pass or fail count is reached or when all the DRAM has been tested, the test
stops and the final results appear.
3
To stop the test before completion, turn off the printer.
CACHE Test
This test verifies the printer processor cache.
1
From the Diagnostics menu, navigate to
HARDWARE TESTS
>
CACHE Test
.
Note:
The printer performs the test and then resets.
2
After the printer resets, the results of the test appear:
Cache Test <### P:###### F:######
.
7462
Service menus
266
Summary of Contents for 7462 series
Page 26: ...7462 26 ...
Page 30: ...7462 30 ...
Page 38: ... Analog or digital multimeter Flashlight optional 7462 General information 38 ...
Page 288: ...7462 288 ...
Page 346: ...5 Remove the pins D on both sides securing the links C A B D 7462 Repair information 346 ...
Page 348: ...9 Lift the operator panel door assembly out of the machine 7462 Repair information 348 ...
Page 416: ...A 3 Remove the anti tip latch assembly 7462 Repair information 416 ...
Page 419: ...A 3 Remove the HCIT tray cover front 7462 Repair information 419 ...
Page 564: ...7462 564 ...
Page 566: ...7462 566 ...
Page 571: ...7462 571 ...
Page 576: ...7462 Parts catalog 576 ...
Page 581: ...Assembly 4 Media path and ducts 1 2 3 4 5 6 7 8 9 10 11 14 13 12 3 7462 Parts catalog 581 ...
Page 591: ...Assembly 9 Fuser and LVPS card assemblies 1 4 2 3 5 6 7 8 9 10 7462 Parts catalog 591 ...
Page 595: ...Assembly 11 ADF unit assembly 1 7462 Parts catalog 595 ...
Page 597: ...Assembly 12 ADF covers 1 2 3 4 5 6 7 8 9 10 11 12 7462 Parts catalog 597 ...
Page 599: ...Assembly 13 ADF feed and drive 7462 Parts catalog 599 ...
Page 601: ...7462 Parts catalog 601 ...
Page 602: ...Assembly 14 ADF electronics 7462 Parts catalog 602 ...
Page 604: ...7462 Parts catalog 604 ...
Page 607: ...7462 Parts catalog 607 ...
Page 610: ...7462 Parts catalog 610 ...
Page 613: ...7462 Parts catalog 613 ...
Page 616: ...7462 Parts catalog 616 ...
Page 617: ...Assembly 19 MFP stapler assembly 1 1 7462 Parts catalog 617 ...
Page 621: ...Assembly 21 MFP stapler assembly 3 4 5 1 2 3 6 6 7 8 9 10 11 7462 Parts catalog 621 ...
Page 623: ...Assembly 22 MFP stapler assembly 4 1 2 7462 Parts catalog 623 ...
Page 625: ...Assembly 23 MFP offset stacker assembly 1 1 7462 Parts catalog 625 ...
Page 629: ...Assembly 25 MFP offset stacker 3 4 5 1 2 3 6 6 7 8 9 10 11 7462 Parts catalog 629 ...
Page 631: ...Assembly 26 MFP 4 bin mailbox assembly 1 1 7462 Parts catalog 631 ...
Page 633: ...Assembly 27 MFP 4 bin mailbox assembly 2 3 2 4 5 11 8 9 10 7 1 6 7462 Parts catalog 633 ...
Page 637: ...Assembly 29 Envelope feeder 1 7462 Parts catalog 637 ...
Page 642: ...7462 Parts catalog 642 ...
Page 644: ...7462 644 ...
Page 684: ...7462 684 ...
Page 698: ...7462 Index 698 ...