General Procedures and Information
6-38 11/05 Workcentre PE 220
Machine Test
SWITCH TEST
Use this feature to test all keys on the operation control panel. The result is displayed on the LCD
window each time you press a key.
MODEM TEST
Use this feature to hear various transmission signals to the telephone line from the modem and to
check the modem, amplifier and speaker. If no transmission signal sound is heard, it means the
modem part of the main board, amplifier, speaker or speaker harness is faulty.
DRAM TEST
Use this feature to test the machine's DRAM. The result appears in the LCD display.
If all memory is working normally, the LCD shows << O K >>
ROM TEST
Use this feature to test the machine's ROM. The result and the software version appear in the LCD
display.
• FLASH VER: 1.00 V
• ENGINE VER:1.00V
PATTERN TEST
Using this pattern printout you can check that the printer mechanism is functioning properly.
This function is for factory manufacturing use only.
SHADING TEST
The function is used to set the optimum scan quality determined by the specific characteristics of
the CIS (Contact Image Sensor). If copy image quality is poor perform this function to check the
condition of the CIS unit.
Note: Before performing the shading test, place a sheet of blank white paper on the platen glass.
< Method >
1. Select the [Shading Test] in TECH MODE
(Menu, #, 1934).
2. Push the ENTER key and an image will be scanned.
3. After scanning the CIS SHADING PROFILE will be print out.
4. If the printed image is different to the sample image shown the CIS is defective.
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