Action Yes No
Step 4
a Turn o the printer, and then unplug the power cord.
b Remove the power supply. See “Power supply removal” on
page 273.
c
Check the power supply, including its fuse and
capacitors, for damage.
Is the power supply free of damage?
Go to step 6. Go to step 5.
Step 5
Replace the power supply. See
“Power supply removal” on
page 273.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the fuser for problems. See
“Fuser error service check” on
page 132.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
126 errors
126 error messages
Error code Description Action
126.05 The LVPS power dropped but the printer was not
in sleep mode.
See
“LVPS service check” on page 135.
126.06 LVPS 25V line error was detected.
126.07 LVPS 5V rail was down during power‑on.
126.10 No line frequency was detected.
126.11 Line frequency has gone outside the operating
range.
126.12 LVPS mismatch was detected. See
“LVPS mismatch service check” on
page 137.
126.13 LVPS mismatch was detected.
LVPS service check
Note: Make sure that the voltage output of the electrical outlet matches the voltage rating of the printer.
7018
Diagnostics and troubleshooting
135
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