Lexmark 13P0195 - C 750dn Color Laser Printer, Service Manual

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Diagnostic information
2-7
5060-00 x
917 Trans Sensor Tray 4 Transparency Sensor Error—replace Tray 4 transparency sensor
assembly. If this does not fix the problem, replace the engine board. See
“Engine board removal” on page 4-29 .
920 Color Calibrate Unrecoverable TPS Gain Error—replace the ITU assembly. See “ITU
assembly removal” on page 4-37 .
921 Color Calibrate Unrecoverable TPS Error—replace the ITU assembly. See “ITU
assembly removal” on page 4-37 .
922 Color Calibrate Unrecoverable TPS Invalid Belt—replace the ITU assembly. See “ITU
assembly removal” on page 4-37 .
925 Fan Stalled Fuser Fan—go to “925 Error code” on page 2-90 .
926 Fan Stalled VTB Fan—go to “926 Error code” on page 2-90 .
927 Fan Stalled RIP Fan—go to “927 Error code” on page 2-91 .
930 LV Power Supply Unable to find zero crossover point—Replace the LVPS. See “Low
voltage power supply (LVPS) removal” on page 4-38 .
931 LV Power Supply Invalid AC Frequency—the AC power line frequency may be incorrect.
Go to
“AC power service check” on page 2-112 .
939 RIP Engine Comm The RIP card processor cannot communicate with the engine processor.
Check the RIP to engine cable for correct installation. If installed correctly
replace the RIP board. See
“RIP board removal” on page 4-70 .
If this does not fix the problem, replace the engine board. See “Engine
board removal” on page 4-29 .
940 TMC Error - Cyan Cyan toner metering cycle (TMC) switch failure—go to “940 Error code”
on page 2-93 .
941 TMC Error - Magenta Magenta toner metering cycle (TMC) switch failure—go to “941 Error
code” on page 2-95 .
942 TMC Error - Yellow Yellow toner metering cycle (TMC) switch failure—go to “942 Error
code” on page 2-97 .
943 TMC Error - Black Black toner metering cycle (TMC) switch failure—go to “943 Error code”
on page 2-99 .
951 NVRAM Failure NVRAM Chip Failure, engine board—replace the engine board. See
“Engine board removal” on page 4-29 .
952 NVRAM Failure NVRAM CRC Failure, engine board—replace the engine board. See
“Engine board removal” on page 4-29 .
953 NVRAM Failure NVRAM Chip Failure, RIP board—replace the RIP board. See “RIP
board removal” on page 4-70 .
954 NVRAM Failure NVRAM CRC failure—replace the RIP board. See “RIP board removal”
on page 4-70 .
955 Code CRC < loc > RIP board—this error indicates that the Code ROM or NAND failed the
CRC check. The location of the failure is indicated by <
loc >. Replace the
RIP board. See “RIP board removal” on page 4-70 .
956 System Board Processor
Failure Errors 956 and 957 indicate which area of the controller (RIP) card failed.
Replace the RIP board. See
“RIP board removal” on page 4-70 .
957 System Board ASIC Failure Replace the RIP board. See “RIP board removal” on page 4-70 .
958 NAND Failure Replace the RIP board. See “RIP board removal” on page 4-70 .
Error code Action