AR-C270 (serv.man11). (Section 7) Settings Adjustments M17-M20 - Sharp Copying Equipment Service Manual (repair manual). Page 13

Check that the following simulation values are in the specified range. If not, set it to the  proper value.

SIM No

ITEM

SPEC

Change in copy quality

due to change in setting

Phenomenon caused

by improper setting

NOTE

Standard value

43-1

HL1 PLAIN PAPER

Default value

(Depending on the

destination. Refer to

Service Manual.)

– 5 / +10

Fusing capability and
image gloss are changed.

Improper fusing,
image deflection,
image flow, image dirt

Check that the
setting is made
according to the
destination. (Refer to
Service Manual.)
Check that the set
values are in the
specified range.

HL2 PLAIN PAPER

– 5 / +10

HL1 READY

– 0 / +0

HL2 READY

– 0 / +0

HL1 E_STAR

– 0 / +0

HL1 PRE-BK

– 0 / +0

HL1 HEAVYPAPER1

– 5 / +10

HL2 HEAVYPAPER1

– 5 / +10

HL1 HEAVYPAPER2

– 5 / +0

HL2 HEAVYPAPER2

– 5 / +0

HL1 TRANSPARENCY

– 5 / +10

HL2 TRANSPARENCY

– 5 / +10

If the copy quality adjustment cannot provide a normal copy quality, check that the following simulation values are in the specified range. If not, set
the values as specified.

SIM No

ITEM

SPEC

Phenomenon caused when the

set value is changed

Phenomenon caused when

the set value is outside the

specified range

NOTE

BLUE RANK

RED RANK

NO-DISPLAY

RANK

43-7

A

12

12

12

When the set value is decreased,
the oil supply is decreased. When
the set value is increased, the oil
supply is increased.

Shortened life due to
damage on the heat roller
surface, degraded image
gloss, abnormal image,
image dirt, improper fusing,
paper jam, oil leakage, oil
dirt

B

80

180

130

When the set value is increased,
the oil supply is decreased. When
the set value is decreased, the oil
supply is increased.

If the copy quality adjustment cannot provide a normal copy quality, check the following parts for any abnormality.

PART NAME

Phenomenon caused by abnormal parts

NOTE

Fusing oil application roller

Shortened life due to damage on the heat roller surface, degraded image gloss,
abnormal image, image dirt, improper fusing, paper jam, oil leakage, oil dirt

In case of an abnormality,
replace the part.

Fusing roller cleaning roller

Fusing application felt

Fusing application blade

Fusing roller

Fusing gear

Greater banding, improper image (color shift, flow, deflection), toner dispersion

Check the following items are properly adjusted. If any adjustment is improper, adjust it properly.

JOB No

WORK ITEM

Trouble caused by improper adjustment

NOTE

ADJ M22 Fusing pressure adjustment Improper fusing, improper image gloss, paper jam,

paper wrinkles

Perform the adjustment in case of improper fusing,
improper image gloss, paper jam, or paper wrinkles.

Check the following items.

WORK ITEM

SPEC

Phenomenon caused by oil filter problem

NOTE

Check the oil pump filter
condition.

Check that the oil pump filter
is not clogged.

Shortened life due to damage on the heat roller
surface, lower image gloss, image abnormality, image
dirt, improper fusing, paper jam, oil leakage, oil dirt

Check and clean the oil filer
at every servicing.

Check that the following simulation values are properly set. If not, set it to the  proper value.

SIM No

ITEM

SPEC/Default value

Phenomenon caused when the value is outside the specified range

NOTE

48-1

B

50

Degraded accuracy of area separation
(degraded accuracy of filter process, black
character and black-line edge process)

Degraded sharpness of
black characters and black
lines, increased moire

Check that the set item B is set
to 50. If it is not set to 50, the
best quality cannot obtained.

7 –  36