Canon iR2020 Series Service Manual page 316

Chapter 14
ADF feed test (ADF FEED TEST)
ADF operation verification mode. Press numeric keypad key 4 on the FUNCTION TEST menu to select the ADF feed test. Place a document on the document
platen and press the start key to transfer the document at the speed matched to the scan resolution setting. In this test, enter a transfer speed between 500 and 2000
(mm/s) from the numeric keypad and verify the transfer speed. Select between the ON and OFF states with the left and right cursor keys to select between single-
sided document feed (OFF) and double-sided document feed (ON).
Book feed test (6-5: BOOK FEED TEST)
Performs a book feed operation with a specified magnification and in a specified size.
Speaker test (6-6: SPEAKER)
Speaker operation verification mode. Press numeric keypad key 6 on the FUNCTION TEST menu to select the speaker test. In this test, the speaker generates tonal
signals at 100 Hz intervals, from 200 Hz to 5 kHz, in varying sound volumes. Signal output from the speaker is thus verified.
Operation panel test (6-7: OPERATION PANEL)
Operation panel operation verification mode. Press numeric keypad key 7 on the FUNCTION TEST menu to select the OPERATION PANEL test menu. Functions
that can be verified from this menu are listed below.
- LCD test
Start the OPERATION PANEL test by pressing the start key. The LCD test is carried out first, displaying all-H characters. Press the start key once again to produce
a total black display.
- LED lamp test
Press the start key after the LCD test to select the LCD lamp test, turning on all lamps on the operation panel.
- Operation key test
Press the start key after the LCD lamp test to select operation key test (1). The test succeeds if the characters appearing in the LCD are erased when the correspond-
ing keys are pressed.
When the entire character display is erased, operation key test (2) launches (only on models with the FAX feature installed). As in (1), the test succeeds if the
characters appearing in the LCD are erased when the corresponding keys are pressed.
Operation key test (1) correspondence diagram
14-40
Press numeric keypad key 4.
REF xxx ANT xxx
|ANT - LEF| xxx
REF: Toner reference voltage (A/D value)
ANT: Toner antenna voltage (A/D value)
ANT - LEF: Differential voltage (A/D value)
Press numeric keypad key 5.
BSCT on BDOC[A3 ]
BDSS3-0 [of of of of]
BCST: Document platen cover sensor (SR402): On/Cover open, Of/Cover closed
BDOC: Document size: Paper size indicated in a mix of document size sensors
BDSS3-0 [of of of of]:
Document size sensor (SR404 or SR405): On/Document presence, Of/Document absence
Document size sensor (SR403): On/Document presence, Of/Document absence
Document size sensor (SR401): On/Document presence, Of/Document absence
Document size sensor (SR402): On/Document presence, Of/Document absence
Press numeric
keypad key 6.
NCR Sts 12345678
DPT MGN OK RDY 1234
[1] Card reader and card availability indication
Card available: Eight-digit card ID
No card: Card None
No card reader available: NCR None
[2] Card type and card reader status indication
DPT: Department card
PRC: Unit pricing card
MAX: Upper limit setting card
ERS: Erased card
SRV: Service card
(No indication): No card
[3] Card type
MGN: Magnetic card
OPT: Optical card
6-6: SPEAKER
FREQ [1] VOL [2]
Press numeric
keypad key 1.
SPEAKER
FREQ TEST
Press the start key
to change the
transmission frequency
[4] Can status
OK: Normal scan
ERR: Scan error
NG: Nonstandard error
(No indication): No card
[5] Equipment status
IN: Initialization in progress
RDY: Ready
[6] Card reader version indication
Four-digit number
F-14-15
Press numeric
keypad key 2.
SPEAKER
VOL[*] :MIN [#]:MAX
Signal tone volume adjustment.
* denotes the minimum, #, the maximum.
The volume is adjustable level by level
using the start key.
F-14-16