Lexmark E120 Service Manual page 26

Primary Secondary
Ready/ Ready/
Data Data
3
3
3
3
3
3
3
3
3
4
5
5
5
5
5
5
5
5
5
6
Tertiary
Description
Ready/
Data
10 930 Wrong printhead
installed
1 931 No first HYSNC
2 932 Lost HYSNC
3 933 Mirror motor locked
4 934 Mirror motor lost lock.
5 935 Mirror motor unable to
reach operating speed
6 936 Transport motor initial
lock failed
7 937 Transport motor lost
lock
9 939 RIP to engine
communications error
10 940 Zero crossing failure
10 950 Controller card
failure—Data mismatch
between secure EEPROM
and NVRAM
1 951 Controller card
failure—Secure EEPROM
failure
2 952 NVRAM CRC failure
4 954 NVRAM chip failure
5 955 Code ROM/NAND
failure
6 956 Controller card failure
7 957 Controller card failure
9 959 Controller card failure
8 958 NAND failure
10 960 RAM memory errors
Action
• Check all connections to the printhead.
• Replace the printhead. See
removal" on page 4-12.
• Check the connection to the main motor.
• Verify continuity in the cable.
• Call the next level of support.
Replace the controller card. See
card removal" on page 4-17.
• Check the connections on the LVPS card.
• Replace the LVPS. See
removal" on page 4-19.
If either the operator panel or controller card
were replaced proceeding the error message,
then either an incorrect card was installed or
the printer was improperly powered on.
Note: The controller card and operator panel
cannot be replaced at the same time without a
POR in between. Printer settings on each FRU
are obtained from the other. The settings are
lost if both are installed and powered on at the
same time.
• Check all the connections on the controller
card.
• Replace the controller card. See
"Controller card removal" on page
Replace the controller card. See
card removal" on page 4-17.
Replace the controller card. See
card removal" on page 4-17.
Diagnostic information
4506-1xx
"Printhead
"Controller
"LVPS/HVPS
4-17.
"Controller
"Controller
2-7