2HJ/2HK
1-4-25
(4) The back side gets dirty.
(5) Image is too light.
Print example
Causes
Check procedures/corrective measures
Dirty secondary transfer roller.
Clean the secondary transfer roller.
Dirty paper conveying path of the
paper feed unit.
Clean the paper conveying path of the paper feed unit.
Dirty heat roller and press roller*
1
/
press belt*
2
.
Clean the heat roller and press roller*
1
/press belt*
2
. See page
1-4-18.
*
1
: 16 ppm printer, *
2
: 20 ppm printer
Print example
Causes
Check procedures/corrective measures
Defec-
tive
develop-
ing bias
output.
Defective developer.
Check the four colors of image by using the test page of ser-
vice mode. If the defect appears on a particular color, replace
the developer for that color. See pages 1-3-14 and 1-5-12.
Defective bias high volt-
age PWB.
Replace the bias high voltage PWB. See page 1-5-46.
Defective engine control-
ler PWB.
Replace the engine controller PWB (A0004). See page 1-5-41.
Defective main controller
PWB.
Replace the main controller PWB (A0171). See page 1-5-40.
Defective drum unit.
Replace the drum unit. See page 1-5-13.
Dirty drum.
Perform the drum surface refreshing. See page 1-3-17.
Defec-
tive color
calibra-
tion.
Dirty sensing surface of
the toner ID sensor.
Clean the sensing surface of the toner ID sensor.
The printer environment
considerably changed
since an automatic cali-
bration was made.
Perform the color calibration of service mode. See page 1-3-
14.
Dirty SELFOC lens of LED print head. Clean the SELFOC lens of LED print head by using lens
cleaner.
Содержание CLP3316
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