946.03, 947.04-Transfer Roll (Black) Error Service Check - Lexmark C520 Series Service Manual

945.03, 946.03, 947.04—Transfer roll (black) error service check
Step Questions / actions
1 Turn the printer off and remove the rear
cover. Check connector JHVPS1 for proper
connection to system card, cable for pinch
points and cable or connector for any other
damage. Is cable properly connected and
damage free?
2 Disconnect JHVPS1 from system card and
HVPS. Check for the following continuity.
JHVPS1 cable
HVPS end
pin 23
pin 24
Is continuity present?
System card end
pin 23
pin 24
Yes
Go step 2.
Go to step 3.
5022-xxx
No
If connector is damaged on
system card, replace
system card. Go to
"System card removal" on
page 4-47. If HVPS1 cable
is damaged, replace top
access cover assembly. Go
to "Top access cover
assembly removal" on
page 4-23.
Replace top access cover
assembly. Go to "Top
access cover assembly
removal" on page 4-23.
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Diagnostic information