Utax PF 420, Service Manual

Page: 26 / 77

3MH
1-3-3
(3) Contents of maintenance mode items
Maintenance
item No.
Description
U019
Displaying the ROM version
Description
Displays the part number of the ROM fitted to each board.
Purpose
To check the part number or to decide if the ROM version is new from the last digit of the number.
Method
1. Press the start key.
2. Select the item to be displayed using the image mode selection key and exposure adjustment keys.
: Off, : On, : Flashing
When the optional equipment is not installed, [non] is displayed.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Image mode LEDs
Exposure
indicator
Copy quantity display
Exp. 1 (lit)
Exp. 2 (lit)
Exp. 3 (lit)
Exp. 4 (lit) “A” Part Code: Main PWB
Change history of the main PWB
Number of the main ROM
Number of the main ROM sub
Exp. 1 (lit)
Exp. 2 (lit)
Exp. 3 (lit)
Exp. 4 (lit)
Exp. 5 (lit)
Exp. 1 (flashing) “E” Part Code: Engine PWB
Change history of the engine PWB
Number of the engine ROM
Number of the engine ROM sub
Change history of the engine PWB BOOT
Number of the engine PWB BOOT
Exp. 1 (lit)
Exp. 2 (lit)
Exp. 3 (lit)
Exp. 4 (lit)
Exp. 5 (lit) “L” Part Code: Language
Change history of the standard language
Number of the standard language ROM
Change history of the optional language
Number of the optional language ROM
Exp. 1 (lit)
Exp. 2 (lit)
Exp. 3 (lit)
Exp. 4 (lit) “C” Part Code: Cassette
Number of the first paper feeder ROM
Number of the second paper feeder ROM
Number of the third paper feeder ROM
Exp. 1 (lit)
Exp. 2 (lit) “d” Part Code: DP
Number of the optional DP ROM
Exp. 1 (lit)
Exp. 2 (lit)
Exp. 3 (lit) “P” Part Code: Printer
Change history of the optional printer
Number of the optional printer ROM