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#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.
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
(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
(9) G3 SIGNAL TX TEST TC9600bps
(*) G3 SIGNAL TX TEST 12000bps
(#) G3 SIGNAL TX TEST 14400bps
(6) MODEM TEST
Tonal sign reception test
(8) G3 V.34 Tx TEST
V34 G3 signal transmission test
(6) FUNCTION TEST [1] - [9]
(1) FUNCTION TEST G3 4800bps
G3 4800 bps signal transmission test
(2) SENS/SW CHECK
Sensor checks
FLAG
Sensor check with flag
CST
Cassette check
READER
Reader sensor check
A/D
Analog/digital computation output sensor
COPY
Copy confirmation sensor
ADF
ADF sensor check
(3) NCR sts
cardreader test
(9) LINE TEST [1] - [3]
Line signal reception test
Details
D-RAM Test <(1) D-RAM>
Press the numeric keypad key 1 on the test mode menu to select the D-RAM test.
Press numeric keypad keys 1 and 2 during the D-RAM 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).
PG Output <(3) PG>
Press the numeric keypad key 3 on the test mode menu to select the PG output.
Press numeric keypad keys during the print test to generate test patterns as described below.
Nine kinds of service test patterns are available. Other test patterns are reserved for factory/development purposes.
No.
Test pattern
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)
Procedure
1) Enter the PG number with numeric keys, then press the START key.
2) Select single-sided (SGL: 0) or double-sided (DBL: 1), then press the START key.
3) Enter the number of prints to be output (PG COUNT), then press the START key.
4) Specify the paper drawer (main unit), then press the START key.
Main unit cassette (ST_C: 0), 2nd cassette (OP_C: 1), Manual feed tray (MLT: 2)
5) Specify the paper eject slot, then press the START key.
Tray 1 (1_OUT: 0), Tray2 (2_OUT: 1)
6) Select a paper type, then press the OK key.
Plain paper (PLN: 0), Thick paper (TCK: 1),Thin paper (OHP: 2)
7) A test pattern is output.
MODEM Test <(4) MODEM TEST>
These tests test modem and NCU transmission and reception. The modem tests check whether signals are sent correctly from the modem by comparing the sound of the signals from the speaker with the sounds from a normal modem.
End this test by pressing the Stop key.
Keypad
Type
Description
1
Relay Test
Use it to turn on/off a selected relay to execute a switch-over test.
2
Frequency test
The modem sends tonal signals from the modular jack and the speaker.
4
G3 signal transmission test
The modem sends G3 signals from the modular jack and the speaker.
5
DTMF signal reception test
Use it to generate the DTMF signal coming from the modem using the
telephone line terminal and the speaker.
6
Tonal signal reception test
Use it to monitor a specific frequency and the DTMF signal received from the telephone line terminal by causing them to be indicated on the LCD (i.e., the presence/absence as detected). The reception signal is generated by the speaker.
8
V.34 G3 signal transmission test
The modem sends V.34 G3 signals from the modular jack and the speaker.
Relay Test
Press '1'or '2' on the keypad on the Modem test menu to select relay test mode. Use the keypad to operate the various relays of the NCU. '2' on the keypad is used for 230V machine.
Numeric keypad key 1
The input key and relay are shown below:
Numeric keypad key 2
The input key and relay are shown below:
CAUTION:
The touch panel (LCD) is turned on or off in relation to the transmission of the relay operation signal as is operated on the keypad; for this reason, you cannot use the touch panel (LCD) to check a fault on a single relay.
Frequency Test
A press on '2' on the keypad from the MODEM test menu selects the frequency test.
In this test, signals of the following frequencies from the modem are transmitted using the telephone line terminal and the speaker. To select a different frequency,
Keypad
Frequency
1
462Hz
2
1100Hz
3
1300Hz
4
1500Hz
5
1650Hz
6
1850Hz
7
2100Hz
MEMO:
The frequency and the output level of individual frequencies are in keeping with the output level set in service mode.
G3 Signal Transmission Test
A press on '4' on the keypad from the MODEM test menu selects the G3 signal transmission test. In this test, the following G3 signals from the modem are transmitted using the telephone line terminal and the speaker. To select a different transmission speed, use the keypad.
Keypad
Transmission speed
0
300bps
1
2400bps
2
4800bps
3
7200bps
4
9600bps
5
TC7200bps
6
TC9600bps
7
12000bps
8
14400bps
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
A press on '5' on the MODEM test menu selects the DTMF signal transmission test. In the test, the following DTMF signals from the modem are transmitted using the telephone line terminal and the speaker. The number pressed on the keypad selects a specific DTMF signal.
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
Tonal/DTMF Signal Reception Test
A press on '6' on the keypad from the MODEM test menu selects the tonal signal/DTMF signal reception 0 test. In this signal, the tonal signal/DTMF signal received from the telephone line terminal can be checked to find out if it was detected by the modem.
V.34 G3 Signal Transmission Test
A press on '8' on the keypad from the MODEM test menu selectes the V.34 G3 signal transmission test. The V.34 G3 signals below are sent from the modem using the modular jack and the speaker by pressing the start key. The Baud rate can be changed with the keypad, and the Speed can be changed with the left/right arrow key.
Keypad
Baud rate
0
3429baud
1
3200baud
2
3000baud
3
2800baud
4
2743baud
5
2400baud
Left/right arrow key
Transmission speed
<
>
2400bps
4800bps
7200bps
9600bps
12000bps
14400bps
16800bps
19200bps
21600bps
24000bps
26400bps
28800bps
31200bps
33600bps
FUNCTION Test <(6) FUNCTION TEST>
Press the numeric keypad key 6 on the test mode menu to select the function test.
Press numeric keypad keys 1 to 4 and 9 during the function test to enter the menus listed below.
Keypad
Type
Description
1
G3 signal transmission test
Transmits 4800-bps G3 signals to a telephone line and speaker
2
Sensor test
Sensor actuation test
3
Accessory
4
ADF test
ADF operation test
5
Not used
6
Not used
7
Not used
8
Not used
9
Line signal reception test
NCU board signal sensor and frequency counter operation test
G3 signal transmission test (6-1: G3 480 bps Tx)
Press numeric keypad key 1 on the FUNCTION TEST menu to select the G3 signal transmission test.
This test transmits 4800-bps G3 signals from the telephone line connection terminal and speaker.
Sensor test (6-2: SENSOR)
This mode is used to verify the status of the unit sensors from the touch panel (LCD) indications.
Press numeric keypad key 3 on the FUNCTION TEST menu to select the sensor test.
To select a minor item, press the START key.
The touch panel (LCD) indications change as the associated sensors turn on and off.
Group
Item
Description
Detail
(2) SENS/SW CHECK
FLAG
Sensor check with flag (manual check)
CT: Waste Toner Full Sensor(S17)
0/Full, 1/Available
TC: Toner Cover Open/Closed Sensor (S16)
1/Cover open, 0/Cover closed
MW: Manual Feeder Paper Size Sensor (S8)
0/Document presence, 1/Document absenc
DO: Front Cover Open/Closed Sensor (S18)
1/Cover open, 0/Cover closed
F1: No.1 Delivery Full Sensor (S11)
0/Document presence, 1/Document absenc
F2: No. 2 Delivery Full Sensor (S41)
0/Document presence, 1/Document absenc
CST
Cassette check
S: Cassette 1 Pickup Sensor (S1)
0/Document presence, 1/Document absenc
SU: Cassette 1 Paper Sensor (S2)
0/Document presence, 1/Document absenc
PE: Cassette 1 Paper Level Sensor A (S3)
0/Document presence, 1/Document absenc
ZA: Cassette 1 Paper Level Sensor B(S4)
0/Document presence, 1/Document absenc
S1: Cassette Size Detection Switch 1 (Width) (SW6)
0/Document presence, 1/Document absenc
S2: Cassette Size Detection Switch 2 (Length) (SW7)
0/Document presence, 1/Document absenc
READER
Reader sensor check
C0: Copyboard Cover Open/Closed Sensor 0 (S21)
0/Document presence, 1/Document absenc
C1: Copyboard Cover Open/Closed Sensor 11 (S26)
0/Document presence, 1/Document absenc
HP: iR2545/2535: CCD Hp Sensor (S22)
iR2530/2525/2520: CIS Hp Sensor (S31)
1/HP, 0/besides HP
SIZE: Document size: Paper size indicated in a mix of document size sensors
Document size sensor 0/1/2/3
0/Document presence, 1/Document absenc
A/D
Analog/digital computation output sensor
HOP: Developing unit toner sensor (TS1) output value
DEV: Sub hopper toner sensor (TS2) output value
TEP: Temperature output value
HUM: Humidity output value
MTH: Fixing main thermistor (TH3) output value
STH1: Fixing sub Thermistor (rear) (TH1) output value
STH2: Fixing sub thermistor (front) (TH2) output value
COPY
Copy confirmation sensor
MP: Manual Feeder Paper Sensor (S9)
0/Document presence, 1/Document absenc
RE: Pre-Registration Sensor (S5)
0/Document presence, 1/Document absenc
RP: Loop Sensor (S6)
0/Document presence, 1/Document absenc
FX: Fixing Outlet Sensor (S19)
0/Document presence, 1/Document absenc
D1/2:No.1 Delivery Sensor(S12)/No. 2 Delivery Sensor(S42)
0/Document presence, 1/Document absenc
TU: Reversal Sensor (S40)
0/Document presence, 1/Document absenc
DL: Duplex Feed Sensor (S7)
0/Document presence, 1/Document absenc
ADF
ADF sensor check
W1: Document width sensor 1
0/Document presence, 1/Document absenc
W2: Document width sensor 2
0/Document presence, 1/Document absenc
L1: Document length sensor 1
0/Document presence, 1/Document absenc
L2: Document length sensor 2
0/Document presence, 1/Document absenc
LT: Last document detection sensor
0/Document presence, 1/Document absenc
EX: Delivery reversal sensor
0/Document presence, 1/Document absenc
DR: Read sensor
0/Document presence, 1/Document absenc
RG: Registration paper sensor
0/Document presence, 1/Document absenc
CV: Cover open/close sensor
1/Cover open, 0/Cover closed
DS: Document set snsor
0/Document presence, 1/Document absenc
RK: Release motor HP sensor
1/HP, 0/besides HP
TM: Timing sensor
0/Document presence, 1/Document absenc
Card reader test <6-3: NCR sts>
Press numeric keypad key 3 on the FACULTY menu to select the card reader test. In this test, verify the successful operations of the card reader.
Line signal reception test <6-9: LINE DETECT>
Press numeric keypad key 9 on the FACULTY menu to select the line signal reception test. In this test, verify the successful operations of the NCU signal sensor and the frequency counter. Menu 1 detects the CI state, while menu 3 detects the CNG signal.
Test menu 1
Press numeric keypad key 1 on the LINE DETECT menu to select test menu 1. When CI is detected on the telephone line connection terminal, the touch panel (LCD) display changes from OFF to ON, indicating the received frequency. The touch panel (LCD) also displays the on-hook or off-hook state of an external telephone set as detected. The touch panel (LCD) displays, from left to right, CI, CI frequency, hook port and FC with indications of 1:ON and 0:OFF.
Test menu 2
Press numeric keypad key 2 on the LINE DETECT menu to select test menu 2. When the CNG signal is detected on the telephone line connection terminal, the touch panel (LCD) display changes from OFF to ON, indicating the received frequency. The touch panel (LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF indications. Numeric keypad key 2 turns on the CML relay to detect CNG.
Test menu 3
Press numeric keypad key 3 on the LINE DETECT menu to select test menu 3. When the CNG signal is detected on the telephone line connection terminal, the touch panel (LCD) display changes from OFF to ON, indicating the received frequency. The touch panel (LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF indications. Numeric keypad key 3 turns off the CML relay to detect CNG.