Sharp FO-DC635U, Service Manual

Page: 27 / 166

FO-DC635U
2 – 8
2.2. Print diagnosis
2.2.1 Rapid key 01: Area print mode 1
The effective printing area frame is printed in the specified sheet size.
The data pattern used here are as follows and 1 data 30 mm is printed.
1. [Full black pattern]
2. [Intermediate tone 2 pattern]
3. [Intermediate tone 1 pattern]
4. [Mesh point pattern]
5. [Longitudinal strip 2 pattern]
Black 2 dot and white 2 dot are repeated in line.
6. [Lateral strip 2 pattern]
Black 2 line and white 2 line are repeated.
7. [Longitudinal strip 1 pattern]
Black 1 dot and white 1 dot are repeated in line.
8. [Full White pattern]
2.2.2 Rapid key 02: Check pattern 1
The lateral stripe 2 pattern is printed on one sheet.
(Black 2 line and white 2 line are repeated.)
2.2.3 Rapid key 03: Check pattern 2
The lateral stripe 2 pattern is printed on multiple pages.
Press the STOP key to end the printing.
2.2.4 Rapid key 04: Check pattern 3
The intermediate tone 1 is printed on one sheet.
2.2.5 Rapid key 05: Check pattern 4
In this mode, 1 sheet is printed as to the square frame pattern for the
skew measurement.
2.2.6 Rapid key 06: Paper feed aging 1
The mode is used for aging related to the printing. In this mode, the fol-
lowing modes are provided.
1. Blank paper aging mode (ALL WHITE AGING)
2. Whole black print aging mode (ALL BLACK AGING)
3. 5% printing aging mode (5% AGING)
4. 4% printing aging mode (4% AGING)
5. Outer frame check pattern
6. 4% check pattern
After selecting the paper-pass aging mode in the print diagnosis mode,
input the number of each mode above with the ten-key, and the mode
will be executed. The detailed specifications of each mode are
described as follows. Here, the operation in each mode is stopped
only when the STOP key is pressed by the operator or a printing-
impossible error occurs.
• Blank paper aging mode
In the mode, printing is continued in the whole white (white paper)
printing pattern until the STOP key is pressed by the operator. (In
the printing area)
• Whole black printing aging mode
In the mode, printing is continued in the whole black (whole black)
printing pattern until the STOP key is pressed by the operator. (In
the printing area)
• 5% aging mode
In this mode, the 5% print pattern is repeatedly printed until the
[STOP] key is pressed by the operator.
• Outer frame pattern aging mode
In this mode, the outer frame check pattern is repeatedly printed
until the [STOP] key is pressed by the operator. For the outer
frame, only the frame showing the printing area is printed.
• 4% chart aging mode
In this mode, the 4% chart is repeatedly printed until the [STOP]
key is pressed by the operator.
1
2
3
4
5
6
7
8
The left pattern is repeated.
The left pattern is repeated.
The left pattern is repeated.