Ricoh ap204 Service Manual ap206c
POMELO-P3 (G063)
SERVICE MANUAL
[Controller]
17 January, 2001 INSTALLATION
1. INSTALLATION
Refer to the following materials.
• For the printer: Quick Installation Guide
• For options: Operating Instructions – Setup Guide
Installation
1-1
17 January, 2001 PERIODIC MAINTENANCE
2. PERIODIC MAINTENANCE
Refer to Section 2. Periodic Maintenance in the G063 engine service manual.
Preventive
Maintenance
2-1
17 January, 2001 REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 CONTROLLER BOARD REPLACEMENT
G063R092.WMF
1. Remove the printer controller board [A] (2 screws).
The following must be done after changing the board.
• Store the Printer ID (controller service mode S8)
• Store the network printer name (user mode)
• Do the gamma calibration (controller service mode S7)
3.2 REGISTRATION ADJUSTMENT
You can adjust the registration in the following three ways:
A. Controller’s user menu (Menu → Maintenance → 4. Registration);
refer to the operating instructions for more details
B. Controller’s SP mode (S5. Registration)
C. Engine SP mode (43 Margin Adjust)
[A]
Adjustment
Replacement
For tray 1, the leading edge and left side registrations can be adjusted either with
engine SP mode 43 or with controller SP mode S5 (Registration).
For tray 2, leading edge and left side registrations can be adjusted with engine SP
mode 43. The left side registration can also be adjusted with the controller user
mode, and the leading edge registration can be adjusted with controller SP mode 5
(Registration).
For how to adjust the registration, refer to ‘5. Service Tables – 5.5.1. Adjusting the
Leading Edge and Left Side Registrations’ in the engine service manual.
3-1
REPLACEMENT AND ADJUSTMENT 17 January, 2001
3.3 IMAGE ADJUSTMENT
3.3.1 OVERVIEW
The table below lists the adjustable image parameters, with their corresponding
adjustment procedures.
Item Procedure
Brightness, Contrast,
Saturation, Color Balance
LD Power
Density
Development
Bias
Transfer Bias
Service Gamma
In the Print Quality tab of the Windows printer properties,
select the ‘Custom’ button and click ‘Setting’. A range of
adjustments is displayed. The results of the adjustments are
reflected in the image data processing by the driver and
controller.
Use either the user menu [Menu] →[Maintenance] →[Toner
Level] or engine SP mode 45-1 (LP Tune Up). You can
adjust the power for each CMYK color within a range of -1 to
+13 with the user menu and in ±4 steps in engine SP mode.
(For the actual procedures, refer to the operating instructions
and the engine service manual).
See ‘5.Service tables – 5.1.4 SP Mode Details’ in this manual
for the relationship between the settings in each of these
modes.
The settings made for this item are transferred to the engine
and stored in NVRAM on the MCTL board.
Note that the customer is able to adjust this.
Use engine SP mode 45-3 (DBV Tune Up); refer to the
engine service manual. You can adjust the bias for each
CMYK color in ±4 steps.
The settings made for this item are transferred to the engine
and stored in NVRAM on the MCTL board.
Use either controller SP mode S4 (Transfer Bias) or engine
SP mode 45-2 (THV Tune Up). You can adjust in ±4 steps for
plain paper, OHPs, and labels.
Use controller SP mode S7 (Gamma Calib.). You can adjust
each color for both text and photograph modes. The results
of the adjustment are reflected in the gamma correction done
by the controller (see ‘3. Replacement and Adjustment –
3.3.2 Service Gamma Adjustment’ and 6. Detailed
Descriptions – 6.1.2 Controller Gamma’ in this manual for
more information on how the controller does this).
3-2
17 January, 2001 REPLACEMENT AND ADJUSTMENT
3.3.2 SERVICE GAMMA ADJUSTMENT
NOTE: For problems related to color quality and gradation, clean the engine and
replace supplies and other parts at first. Use this mode only when the
customer insists on further fine adjustments (e.g., matching colors between
machines).
Adjustment Menu (Controller SP, S7. Gamma Calibration)
The menu items under Gamma Calibration in controller SP mode are organized as
shown below. See “5. Service tables – 5.1.3 SP Mode Menu Hierarch,” in this
manual for instructions on how to access the “S7. Gamma Calib. Color Correction”
menu.
Layer 3 Layer 4 Layer 5 Layer 6
Load Setting
Print Setting
Gamma Setting
Default
Setting-Old
Setting-Current
1 bit/PhotoMode Setting
1 bit/Text
Black
Cyan Same as above Same as above
Magenta Same as above Same as above
Yellow Same as above Same as above
Save Settings
K/01th.[xxx] K/01th.=xxx/255
↓↓
K/15th.[xxx] K/15th.=xxx/255
(continued on the next page)
Adjustment
Replacement
3-3
REPLACEMENT AND ADJUSTMENT 17 January, 2001
Adjustment Overview
To carry out this adjustment, select the print mode to adjust (text or photograph),
then print out a color adjustment sheet. Make the gradation scales on the printout
smooth from the lowest to the highest density. Adjust the CMY gradation scale at
the top of the chart by balancing the density of the C, M, and Y gradation scales –
the CMY gray scale should change smoothly from minimum to maximum, and
there should be no coloration.
The color adjustment sheet is as follows.
[C]
[B]
[A]
G063R503.BMP
For each color, you can adjust 15 points (example [A]) between 0 (lowest density)
[B] and 255 (highest density) [C]. For each point, you can adjust the density within
0 and 255.
The gradation scales marked ‘Default’ are printed according to the default gamma
settings in the flash ROM in the controller. The gamma adjustment changes the
densities at the adjustable points in the gradation scale. The gradation scale
marked “Current” sho ws th e current settings.
During the adjustment procedure, compare the “Current” gradation scale with the
‘Default’. Select the density for each of the 15 adjustable points, excluding points 0
and 255, from the ‘Default’ gradation scale.
3-4
17 January, 2001 REPLACEMENT AND ADJUSTMENT
The NVRAM holds three controller gamma settings, those saved this time (SettingCurrent), those saved in the preceding adjustment (Setting-Old), and the factory
settings (Default).
Adjustment Procedure
1. Select “Load Setting” and load the settings that will serve as the base for the
adjustment.
2. Select “Mode Setting”, and select the print mode that you are going to adjust
(text or photograph).
3. To review the image quality for these settings, choose “Print Setting” to print
out a color adjustment sheet (Gamma Calibration at the top of the page).
4. Select “Gamma Setting”. Then select a color (K, C, Y, or M).
5. Adjust the color density at each of the 15 points.
NOTE: To decide what density value to input, do the following.
1. Look at the color adjustment sheet.
2. For the color you are adjusting, look at the gradation scale entitled
‘Default’.
3. Go along the scale until you reach the density that you wish to
input.
4. Read off the value on the scale and store it in the machine.
5. Do the same for all 15 points.
6. When the density setting is complete for all colors, print out a color adjustment
sheet again and make sure that the gradation scale for each printed color is
smooth and that the CMY gradation scale is gray. Repeat the adjustment if
there is an anomaly (normally, repeat this procedure 3 to 5 times).
7. If the adjustment results prove satisfactory, do the following:
1) Execute “Save Settings”.
2) Reset the controller (press the [Reset] key when the machine is off line”) to
use the new settings.
NOTE: The new settings will not be saved in the controller NVRAM unless you
reset the controller.
Adjustment
Replacement
3-5
REPLACEMENT AND ADJUSTMENT 17 January, 2001
3.3.3 SOFTWARE UPGRADE PROCEDURE
Required Tool
- IC card Adapter (G0319350)
- IC card containing new firmware
The controller, RICOH-SCRIPT2 and network interface boards have a flash ROM
for storing control software. This allows version upgrades using an IC card.
NOTE: Before starting an upgrade procedure, make sure that the software in the
IC card is newer than the software in the controller, RICOH-SCRIPT2, or
network interface board.
To check, print out a configuration page (user mode).
Follow the procedure shown below to upgrade the software:
1. Turn off the machine, and then unplug all cables from the parallel interface
board(s) and network interface board, if connected.
2. Install IC card into IC card adapter.
3. Remove the controller board. Then install the IC card adapter in either optional
bus I/F slot 1 or slot 2.
4. Put the controller board back in the machine.
5. Turn on the machine. The machine automatically copies the firmware from the
IC card to the appropriate flash ROM (controller, RICOH-SCRIPT2, or network
interface board).
CAUTION: 1) Do not turn off the machine while the software is being updated.
Otherwise, the controller, NIB, or RICOH-SCRIPT2 module ma y be
damaged.
2) Do not turn off the machine until at least 30 seconds after the
message “OK!!OK!!” or “DOWNLOAD OK.” appears.
3-6
17 January, 2001 REPLACEMENT AND ADJUSTMENT
For the controller or RICOH-SCRIPT2:
The LCD display on the operation panel changes as shown below as the
rewrite procedure proceeds. (‘MELT’ is displayed during the software upgrade
for RICOH-SCRIPT2 since it involves a decompression process.)
(MELT ->) ERASE -> WRITE -> VERIFY -> OK!!OK!!
The appearance of the message “OK!!OK!!” indicates that the controller has
received the data from the IC card. However, note that it takes about 30
seconds to rewrite the data in the controller or RICOH-SCRIPT2 after this
message is displayed.
The message NG!!NG!!” is displayed if an error occurs during the rewrite
process. If this condition occurs, reinstall the IC card and turn the power off and
on again.
For the network interface board:
The appearance of the message “DOWNLOAD OK.” indicates that the
controller has received the data from the IC card. However, note that it takes
about 30 seconds to rewrite the data in the network interface board after this
message is displayed.
Adjustment
Replacement
DOWNLOAD -> ############ -> DOWNLOAD OK.
The message “DOWNLOAD NG.” is displayed if an error occurs during the
rewrite process. If this condition occurs, reinstall the IC card and turn the power
off and on again.
4. When the rewrite ends, turn off the main unit, reset all DIP switches to OFF, and
remove the IC card.
5. Replace the IC card cover. Turn the power on again and print the user mode
configuration page.
6. Check the new software version and make sure that it matches the version on
the IC card.
3-7
17 January, 2001 TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 TYPES OF PROBLEMS
The problems can be classified as follows.
Printer-side Print Settings
•
Operation
Hardware
Printer-side Initial Settings
•
Host-side Application Settings
•
•
Faulty Engine
Faulty Controller
•
Hardware Limitations
•
•
Main Unit
•
Option
•
Consumables
Main Unit
•
•
Option
Software
Operating
conditions
•
Bug in Controller ROM
•
Bug in Emulation Module Software
Controller Limitations
•
•
Bug in Host-side Application
•
Host-side Application Limitations
•
Environment (power, temperature and humidity,
dust, noise, vibration)
•
Consumables
G063T500.WMF
Trouble-
shooting
4-1
TROUBLESHOOTING 17 January, 2001
4.2 TROUBLESHOOTING PROCEDURE
4.2.1 HARDWARE TESTS
1. Power-up self-diagnostics
Turn on the power and check that an error code is not displayed.
After the system starts, check for error messages on the configuration page
that is automatically printed.
2. Detailed diagnostic test
See “4.Service Tables - Detailed Self-diagnostics Mode” in this manual for the
procedure.
3. Checking the configuration page output.
Print out from the user menu: [Menu] → [List Print] → [Config. Page]. If error
messages are included, check the relevant part of the machine and replace any
defective components.
4. Connectivity test
Make a test print from a computer.
• Check that the correct cable is used (and connected properly).
• Check the cable continuity.
• Check the cable length (is it too long?).
• Do not connect the printer to the computer through a printer selector switch
– connect the printer to the computer directly.
• If the optional parallel interface is installed, connect the computer to the
parallel interface board that is being tested.
4.2.2 OPERATION-RELATED TESTS
Check the print conditions and initial settings.
Check the printer settings against the application settings. Check whether the
current settings match the settings on the configuration page that the customer
keeps.
NOTE: Ask the customer to print a configuration page at some time when the
controller is working normally, and keep it for reference.
4-2
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