D-Ram Test<(1) D-Ram Test; Scan Test ((2) Scan Test) - Canon iR2020 Series Service Manual

Numerals enclosed in parentheses denote a numeric keypad key to be pressed each.
Group Subgroup
(1) FUNCTION TEST G3 4800bps
(3) 6-3 SENSOR [1] - [6]
(4) ADF FEED TEST
(5) BOOK FEED TEST
(6) 6-6 SPEAKER FREQ:[1] VOL:[2]
(7) Not used
(8) FUNCTION TEST LAMP TEST ALL
(9) LINE TEST [1] - [3]
(0) ROLLER CLEAN 0:PRT 1:ADF
(0) PRT ROL CLEAN Press start key
(1) ADF ROL CLEAN Press start key
14.15.4 D-RAM Test<(1) D-RAM TEST>
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
D-RAM Test((1) D-RAM)
Press the numeric keypad key 1 on the test mode menu to select the D-DRAM test.
Press numeric keypad keys 1 and 2 during the D-DRAM test to carry out the individual tests described below.
Numeric keypad key 1
Checks to see if data can be correctly written to and read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an
error appearing on the touch panel (LCD).
Numeric keypad key 2
Checks to see if data can be correctly read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an error appearing
on the touch panel (LCD).

14.15.5 Scan Test ((2) SCAN TEST)

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Item 1 Item 2 Item 3
(1) SENSOR CHECK 0:NORMAL 1:LATCH
(0) SENSOR NORMAL [0] - [2]
(0) CAS 0 REG 0 DEL 0 MULTI 0
(1) TONER 0 FULL 0 2ND-DEL 0000
(2) OP1 0000 OP2 0000 OP3 0000 PATH
0000
(1) SENSOR
LATCH [0] -
[2]
(0) CAS 0 REG 0 DEL 0 MULTI 0
(1) TONER 0 FULL 0 2ND-DEL 0000
(2) OP1 0000 OP2 0000 OP3 0000 PATH
0000
(2) SWITCH CHECK [0] - [1]
(0) CAS 0000 LOCK 0000
(1) OP1 0000 OP2 0000 OP3 0000
(3) DS ON DES of HPS ON BCVS of
(4) REF xxx ANT xxx |ANT-REF| xxx
(5) BSCT on BDAC[ A3] BDSS3-0 [ of of of of ]
(6) NCR Sts: NCR xxxxx DPT MGN OK RDY 0101
D-RAM TEST 30208KB
[1] - [2]
D-RAM TEST 30208KB
D-RAM TEST 30208KB
Explanation
G3 4800 bps signal transmission test
Sensor checks
ADF delivery operation test
Book copy operation test
Speaker volume and buzzer frequency test
Lamp test
Line signal reception test
Printer and ADF roller cleaning
D-RAM TEST 30208KB
complete (no error)
WRT= 33CC RD= 33EC
ADR= BF840201
D-RAM TEST 30208KB
complete (error)
F-14-13
Chapter 14
0011-0886
0011-0887
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