Canon imagePRESS C800 Series, Troubleshooting Manual

Page: 150 / 256

Chapter 1
1-136
1.1.7.1.51 Overview and how to use test print (PG) in service mode
0031-6206
[ Manual-related ]
Description
This machine is able to use following test prints. With each test print, the image error can be checked by "Yes" in the following image check items.
If the image failure occurred on normal output does not reappear on the test print, it may be caused by the PDL input or reader side.
Field Remedy
a) Test print type
b) Selecting Test Print TYPE
b-1) Set the copy count, paper size, and pickup mode (single-sided or double-sided).
b-2) Select service mode > COPIER > Test > PG > TYPE.
b-3) Enter the appropriate TYPE No. using the keypad, and press the OK key.
b-4) Set the density using service mode > COPIER > Test > PG > DENS-Y/M/C/K (valid only if TYPE > 5).
b-5) Set the image mode by service mode > COPIER > Test > PG > TXPH.
b-6) Press the start key.
c) How to check test print
c-1) 16-Gradation (TYPE > 4)
Service Mode > COPIER > Display > FIXING > FX-MTR5 Display Fixing Motor current VL log: standby
Service Mode > COPIER > Display > FIXING > FX-R-TM Display Fixing Refresh Roller total operation times
Service Mode > COPIER > Counter > FIXING > FX-RF-RL Fixing Refresh Roller parts counter
Service Mode > COPIER > Counter > CLEANING > FX1-RFRL Fixing Refresh Roller cleaning counter
Service Mode > COPIER > Counter > PRDC-1 > FXLW-TH1 Pressure Sub Thermistor 1 parts counter
Service Mode > COPIER > Counter > PRDC-1 > FXLW-TH2 Pressure Sub Thermistor 2 parts counter
PG
TYPE
TYPE Pattern
Items
Originator
Gradation Fogging
Transfer
Fault
Black line White line
Uneven
Density
Uneven
Density
at the
Front/Rear
Color
displaceme
nt
Right Angle
Straight
Lines
0 Normal copy/print ---
1 to 3 (For R&D) ---
4 16-Gradation Yes Yes Yes Yes
Main
controller
PCB
5 Full Area Half Tone Yes Yes Yes Yes
6 Grid Yes Yes Yes
10 MCYBk Horizontal Line Yes Yes
12 64-Gradation Yes
14 Full Color 16-gradation Yes Yes