Canon imageRUNNER 2520, Service Manual, Page: 230 / 336

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Service Mode > Details of Service Mode > #TEST MODE > Configuration
Service Mode > Details of Service Mode > #TEST MODE > Configuration
#ROM
Configuration
The table below lists the items of ROM display mode that are supported.
Group Item Description
ROM MAIN (Bootable) Displays the version number of the PROGRAM ROM mounted on
the main controller PCB.
MAIN2 (Boot) Displays the version of the ROM (BOOT) mounted on the main
controller PCB.
OPROM Not used
ECONT Displays the version number of the ROM mounted on the DC
controller PCB.
OPTION CAS1 Not used
OPTION CAS2 Not used
OPTION CAS3 Not used
DUPLEX Not used
FINISHER Displays the version number of the Inner finisher
READER Not used
#TEST MODE
Outline
Test mode must be executed by keeping track the flow of menu items appearing on the LCD.
Menu items in test mode are organized into seven blocks as described below.
Numerals enclosed in parentheses denote a numeric keypad key to be pressed each.
1. D-RAM test <(1) D-RAM TEST>
Checks to see if data can be correctly written to and read from D-RAM.
2. PG output <(3) PG>
Used to generate service test patterns.
3. MODEM test <(4) MODEM TEST>
Performs relay actuation, modem DTMF and tonal signal transmission/reception tests.
4. FUNCTION test <(6) FUNCTION TEST>
Used to verify the operations of microswitches, sensors, speakers and ADF functions.
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Configuration
Numerals enclosed in parentheses denote a numeric keypad key to be pressed each.
Group subgroup Item 1 Item2 Item3 Explanation
TEST MODE [1] - [9]
(1) DRAM [1] - [2]
D-RAM data check
(1) D-RAM TEST Write/read check
(2) D-RAM TEST Read check
(3) PG
SELECT NO.01 Grid
SELECT NO.02 HT
SELECT NO.03 All-black output
SELECT NO.04 All-white output
SELECT NO.05
Composite solid white + Solid black
SELECT NO.06 4dot-6space (vertical)
SELECT NO.07 dot-6space (horizontal)
SELECT NO.08
Ghost
SELECT NO.09 16 gray levels (monochromatic)
(4) MODEM TEST [1] - [9]
(1) RELAY TEST [1] - [2]
(1) RELAY TEST 1
NCU relay (and switch) ON/OFF test
(2) RELAY TEST 2
230 V common NCU test
(2) FREQ TEST [0] - [6] Frequency test
(0) FREQ TEST 462Hz
(1) FREQ TEST 1100Hz
(2) FREQ TEST 1300Hz
(3) FREQ TEST 1500Hz
(4) FREQ TSST 1650Hz
(5) FREQ TEST 1850Hz
(6) FREQ TEST 2100Hz
(4) G3 SIGNAL TX TEST [0] - [8]
G3 signal transmission test
(0) G3 SIGNAL TX TEST 300bps
(1) G3 SIGNAL TX TEST 2400bps
(2) G3 SIGNAL TX TEST 4800bps
(3) G3 SIGNAL TX TEST 7200bps
(4) G3 SIGNAL TX TEST 9600bps
(5) G3 SIGNAL TX TEST TC7200bps
(6) G3 SIGNAL TX TEST TC9600bps
(7) G3 SIGNAL TX TEST 12000bps
(8) G3 SIGNAL TX TEST 14400bps
(5) DTMF TEST [0] - [9], * , # DTMF transmission test
(0) G3 SIGNAL TX TEST 300bps
(1) G3 SIGNAL TX TEST 2400bps
(2) G3 SIGNAL TX TEST 4800bps
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