Sharp AL-840 (serv.man4) Service Manual ▷ View online
Item
Specifications/Descriptions
Product No. content
Guarantee period
(Month)
24
Counted from the production month. Stored under the storage environment
conditions (sealed).
conditions (sealed).
Note
*
Replace when print density becomes low.
Production
month
month
Production year
(End digit)
(End digit)
Production
place
place
Destination
form
form
Version
Production
day
day
0: October
X: November
Y: December
X: November
Y: December
4. Paper specifications
To assure print quality and normal paper handling, the following
specifications of paper should be satisfied.
specifications of paper should be satisfied.
(1) Paper
Standard and Applicable Paper
Item
Standard paper
Applicable paper
Weight
60 – 90 g/m
2
60 – 120 g/m
2
Smoothness
face;
≥
20 s
back;
≥
20 s
(BEKK
method)
face;
≥
20 s
back;
≥
18 s
(BEKK
method)
Porosity
≥
7 s
(BEKK
method)
same as left
Opacity
≥
77%
same as left
Surface
resistivity
resistivity
1
×
10
10
– 5
×
10
10
(20
±
1
°
C
65
±
2% RH)
Stiffness
vertical;
≥
17 cm
horizontal;
≥
13 cm
(CLARK method)
same as left
Moisture
content
content
4.5% – 7.0%
same as left
Thickness
75
µ
m – 110
µ
m
same as left
Dimension
B5 (182
±
1
×
257
±
1mm)
B6 (128
±
1
×
182
±
1mm)
A4 (210
±
1
×
297
±
1mm)
A5 (148
±
1
×
210
±
1mm)
A6 (105
±
1
×
148
±
1mm)
8.5"
±
5/128
×
14"
±
5/128"
8.5"
±
5/128
×
11"
±
5/128"
5.5"
±
5/128
×
8.5"
±
5/128"
8.5"
±
5/128
×
13"
±
5/128"
same as left
(Paper Types That Should Not be Used)
Paper that has any of the following should not be used for printing.
•
Paper with special coating on the surface
•
Paper with particularly rough or smooth surface
•
Paper which has been glued together and which could become
separated.
separated.
•
Paper with tears, folds, embossing, dryness, moisture or curl
•
Paper with metal tabs or clips
•
Paper with holes, windows or perforations
•
Paper which has been pre-printed using a laser printer or
photocopier
photocopier
(Note) Before printing, try one of the pieces of paper to be used and
confirm that it can be printed successfully.
(Values at 20
±
1°C, 65
±
2% RH)
(2) Envelope
Size
Dimensions
Weight
International DL
110
×
220 mm
60 g/m
2
(16 lbs.) to
90 g/m
2
(24 lbs.)
International C5
162
×
229 mm
Same as above
Monarch
3-7/8"
×
7-1/2"
Same as above
Commercial 10
(business)
(business)
4-1/8"
×
9-1/2"
(104.78
×
241.3 mm)
Same as above
Envelopes
Do not use envelopes which have any of the following.
•
Metal tabs, snaps, strings, perforations, windows or holes
•
Open flaps on which adhesive is exposed
•
Glossy surfaces
•
A particularly rough texture or embossing
•
Envelopes made from recycled paper
•
Envelopes that are not flat due to damage, folds or bending, or
which are not straight with square corners
which are not straight with square corners
•
Envelopes which are curled
•
Two or more flaps
•
Labels that have already been attached
•
Flaps that have not been folded
•
Creases or folds on the leading edge
•
Adhesive that sticks without moisture when pressed closed
•
Envelopes that stick together due to exposed adhesive
•
Envelopes that have already been printed on in a laser printer
•
Envelopes that expand or shrink without fine creases
•
Envelopes which are inflated with air
(3) OHP film
A4 (210
×
297 mm) Letter size (8.5"
×
11")
3 – 3
5. Standard density sample
The ratio of the image area for the total area of paper is 5%.
The life of every consumable part is based on this ratio.
The life of every consumable part is based on this ratio.
Standard density sample
3 – 4
6. Environmental conditions
(1) Transit environment (sealed)
Max. change: Temperature 15°C/hour, Relative humidity 15%RH/hour, without dew
Temperature
(min)
Humidity
(min)
Temperature
(mid)
Humidity
(mid)
Temperature
(max)
Humidity
(max)
Period
–10°C
10%
40°C
90%
(2) Storage environment (sealed)
Max. change: Temperature 15°C/hour, Relative humidity 15%RH/hour, without dew
Temperature
(min)
Humidity
(min)
Temperature
(mid)
Humidity
(mid)
Temperature
(max)
Humidity
(max)
Period
–10°C
10%
40°C
90%
Temperature
(min)
Humidity
(min)
Temperature
(mid)
Humidity
(mid)
Temperature
(max)
Humidity
(max)
Period
0°C
10%
30°C
60%
35°C
90%
RH
90%
10%
-10°C
40°C
40°C, 90%
Humidity
Temperature
RH
90%
10%
-20°C
40°C
40°C, 90%
Humidity
Temperature
RH
90%
10%
0°C
35°C
30°C, 90%
35°C, 60%
(Unsealed condition)
Humidity
Temperature
3 – 5
[4] SET UP
1. Installing conditions
Improper installation may damage the copier. Please note the follow-
ing during initial installation and whenever the copier is moved.
ing during initial installation and whenever the copier is moved.
CAUTION: If the copier is moved from a cool place to a warm place,
condensation may form inside the copier. Operation in
this condition will cause poor copy quality and malfunc-
tions. Leave the copier at room temperature for at least 2
hours before use.
this condition will cause poor copy quality and malfunc-
tions. Leave the copier at room temperature for at least 2
hours before use.
Do not install your copier in areas that are:
•
damp, humid, or very dusty
•
exposed to direct sunlight
•
poorly ventilated
•
subject to extreme temperature or humidity changes, e.g., near an
air conditioner or heater.
air conditioner or heater.
Be sure to allow the required space around the machine
for servicing and proper ventilation.
for servicing and proper ventilation.
CAUTIONS ON HANDLING
Be careful in handling the copier as follows to maintain the perfor-
mance of this copier.
mance of this copier.
Do not expose the drum cartridge to direct sunlight.
Doing so will damage the surface (green portion) of the drum
cartridge, causing smudges on copies.
cartridge, causing smudges on copies.
Store spare supplies such as drum cartridges and TD
cartridges in a dark place without removing from the
package before use.
cartridges in a dark place without removing from the
package before use.
If they are exposed to direct sunlight, smudges on copies may result.
Do not touch the surface (green portion) of the drum
cartridge.
cartridge.
Doing so will damage the surface of the cartridge, causing smudges
on copies.
on copies.
2. Unpacking
A. packing list
Open the carton and check if the following components and acces-
sories are included.
sories are included.
20cm
20cm
10cm
10cm
CD-ROM (Printer driver)
(AL-840 only)
IBM PC/AT or compatible
machine interface cable (AL-840 only)
machine interface cable (AL-840 only)
Operation manual
Warranty paper
Power cord 1 pc.
Paper feed tray
Developer cartridge
(Packed in the silver bag.)
(Packed in the silver bag.)
Photo conductor cartridge
(Installed in the machine)
(Installed in the machine)
4 – 1
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