Test Mode (Test Mode) - Canon GP160DF Service Manual

F.

Test Mode (TEST MODE)

1. Overview
The test mode runs according to the menu items shown on the display.
The test mode items are divided into 8 blocks.
D-RAM test <1:DRAM>
Checks if data reading and writing to the D-RAM is operating normally.
CCD test <2: CCD TEST>
Used when correcting the variations in sensitivity of the CCD's photosensitive cells.
PRINT test <3:PRINT>
Prints 8 patterns within the printing area.
MODEM NCU test <4:MODEM NCU>
Performs relay operations test, modem DTMF, tonal signal transmission and receiv-
ing tests.
AGING test <5:AGING TEST>
Illuminates the scanning lamp and drives the ADF document transport motor in fine
mode. The printer continuously prints a diagonal line pattern in fine mode and charac-
ters in normal density.
FACULTY test <6:FACULTY TEST>
Used when checking operations of the microswitcher, sensor, speaker and ADF
functions.
DATA SET <7:DATA SET>
Do not touch. This mode is for factory use only.
BOOK test <8:BOOK TEST>
Operates at the speed for the scanning transmission image quality LED.
Warning:
Do not use the DATA SET mode. If you enter the DATA SET mode, the registration
data will be changed automatically.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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