AL-1644 (serv.man14). Complete service manual - Sharp Copying Equipment Service Manual (repair manual). Page 11

AL-1633/1644 SIMULATIONS 7-4

49

01

Flash ROM program writing mode

(Operating procedure)
When this simulation is executed, "d" is displayed on the copy quantity display and the machine 
enters the Flash ROM program writing mode. Use the writing tool on the PC to write the program. 
During writing, the display is made as follows. After completion of downloading, turn OFF/ON the 
power to reset. 

 *

"*" in the error display indicates the error position. 

53

10

SPF scan position change-over 
setting

Used to change over the scan position depending on that the SPF unit and the SPF document glass 
holder section are of anti-dirt glass or not. 
When this simulation is executed, the currently set code number is displayed. 
Enter the code number corresponding to the SPF unit to be used and press [START] key, and the 
setting will be changed over.

Though this setting is changed, the other set values are not affected. (The other set values remain 
unchanged.)
When replacing and installing the SPF unit, it is recommendable to use this simulation to set the 
scan position and execute the scan position automatic adjustment. 

64

01

Self print

The optical system status is ignored and a self print is made. Also when a print command is sent 
from the host, printing is performed. 

When this simulation is executed, warm-up is performed and the ready lamp is lighted. 
(However, the scanner is invalid and no initial operation is made.)
Enter the code number with the 10-key, and select a cassette with the cassette select key and press 
the [START] key. The selected cassette start paper feed and printing is performed in the selected 
pattern.

*

Only the tray lamp and the online lamp are lighted, and no other lamps are lighted. 

Printing is made in 1 by 2 mode, where one line is printed and the following two liens are not printed, 
or in the grid pattern. 

*

Input disable for 4 ~ 99

*

Print data are made on A3 size. (A3 paper is preferable.)

Main 
code

Sub 

code

Contents

Details of operation

Status

Copy quantity display

Pre-heat lamp

Ready lamp

Download data reception
Data delete start
Data writing (Boot section)
Data writing (Program section)
Sum check
Completion of downloading
Error status

"d"
"d"
"d"
"d"
"d"
"OFF"
"*E"

ON
ON
Flash
Flash
ON
OFF
OFF

OFF
ON
OFF
Flash
ON
OFF
OFF

00

Data receive error

07

Sum check error (Program section)

02

FLASH ROM delete error

08

Sum check error (EEPROM section)

03

FLASH ROM write error (Boot section)

09

E2PROM verify error

04

FLASH ROM write error (Program section)

0b

E2PROM verify error

05

Sum check error (Loader section)

0F Download data length error

06

Sum check error (Boot section)

Code No.

Mode

0

Set to the scan position of the current mass production SPF unit.

1

Set to the scan position of the ant-dirt SPF unit. (Default)

Code number

Pattern

0
1
2
3

1 by 2
Grid pattern
White paper
Black background

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