Process Control Error Conditions
G133 4-2 SM
No. Result Description Possible Causes Action
8 Vcnt error 2
Vt is more
than 0.7V
when Vcnt is
4.3V and
Vcnt is less
than 4.7V
when Vcnt is
Vt target ±
0.2V.
1. Make sure that the heat seal on the
development unit is not removed.
2. Defective TD sensor
9 Vcnt error 3
Vcnt is less
than 4.7V.
1. Make sure that the heat seal on the
development unit is not removed
2. Defective TD sensor
3. Vt target settings are not correct.
4. Toner density error
4.1.2 PROCESS CONTROL SELF-CHECK RESULT
Displayed number shows results of each color sensor check.
00000000 = YYCCMMKK
SP3-012-001 to -010 (Process Control Self-check Result)
No. Result Description Possible Causes Action
11
Successfully
completed
Process control
self-check
successfully
completed.
-
Check the Vsg
adjustment. See the
"Vsg Adjustment
Result" following this
table.
41 Vt error
Vt maximum or
minimum error is
detected.
1. Defective
development unit
Vt maximum error and
an image is faint:
Replace
the toner
supply
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