Sharp UX-B20 Service Manual page 17

4. Entering the printer diagnostic mode
Press FUNC 9
PRINT DIAG MODE
Then press the START key. Select the desired item with the up key or the down key or select with the rapid key. Enter the mode with the START key.
(Diag· specifications)
FUNC 9
INITIAL CARTRIDGE DATA SETTING
PRINTER ERROR CHECK MODE
If the diagnostic mode cannot be set, repeat the diagnostic mode operation, performing the following operation.
After the power is turned on and "WAIT A MOMENT" is indicated, press the STOP key.
5. Printer diagnostic items
Item No.
1 4% DATA PRINT AGING
2 ASF AGING
3 ASF SKEW CHECK AGING
4 CROSS PATTERN
5 INITIAL CARTRIDGE DATA SETTING
6 IJP LIST MODE
7 PRINTER ERROR CHECK MODE
6. Printer diagnostic items description
6.1. 4% data print aging
This mode is the aging mode that prints the text pattern of 4%
6.2. ASF aging (all white)
This mode is the aging mode that tests the performance of the ASF
function.
6.3. ASF skew check aging
This mode is the aging mode that tests the performance of the ASF
function.
Detailed of check patterns
1. Top skew
2. Bottom skew
3. Top margin
4. Bottom margin
8 # 6 , and the following display will appear.
8 6
PRINT DIAG MODE
4% DATA PRINT AGING START
ASF AGING START
ASF SKEW CHECK AGING START
CROSS PATTERN START
START
IJP LIST MODE
START
START
"Power ON" +
STOP
KEY
Contents
4% of printing data continue to be printed.
The feed of the paper is continued.
The frame pattern continues to be printed to check the inclination performance.
The image data of the cross pattern to be printed.
It makes the dot counter the setting for the initial cartridge.
The maintenance data is printed.
The cause of "PRINTER ERROR" message is displayed.
START
START/
In relation with the process response (request from Production
MEMORY
Engineering) "WAIT AMOMENT" clock indication may appear depending
on STOP key timing. If the STOP key is held down, "MEMORY CLEAR?"
START
appears.
KEY
6.4. Cross pattern
This mode prints the test pattern that tests the performance of the
printer.
6.5. Initial cartridge data setting
This mode makes the dot counter the setting for initial cartridge, and
this mode resets the following counter.
1. Replacement counter of the cartridge
2. Paper jam counter
2 – 4
UX-B20U/UX-B20C/B25C
Function